Ratios equal to 3

• [PDF File]Name: Period: Date: Equivalent Ratios and Tables Guide Notes

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  Sample Problem 3: Show that the following ratios 6:10, 12:20 and 15:25 are equivalent ratios. Finding the Unknown Term in Equivalent Ratios Example: Find the unknown term in the equivalent ratios 12:16 and 6:x Method 1: Step 1: Express the equivalent ratios as fractions. Step 2: Cross multiply 12x = 96 Step 3: Solve for the unknown X = 8

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• [PDF File]MathVine - Pre-Algebra Are Ratios Equal

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  3)8:10 and 4:5 To express the ratio '8 to 10' as a fraction, place 8 over 10 and reduce To express the ratio '4 to 5' as a fraction, place 4 over 5 and reduce can be reduced, since 2 is a factor of both 8 and 10: ÷= The fraction is now in lowest terms is equal to 4)3:6 and 1:2 To express the ratio '3 to 6' as a fraction, place 3 over 6 and reduce To express the ratio '1 to 2' as a fraction ...

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• [PDF File]Lesson 3: Equivalent Ratios - Flagstaff Unified School District

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  Jan 8­8:18 AM Lesson 3: Equivalent Ratios In Lesson 3, we learned how to use ratio tables and tape diagrams to find equivalents ratios. Equivalent ratios are ratios that have the same value. First, we built a tape diagram from the ratio relationship: Shanni and Mel are using ribbon to decorate a project in their art class.

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• [PDF File]MathVine - Pre-Algebra Are Ratios Equal

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  Are Ratios EqualDate__________________ Period_____ Write Yes if the ratios are equal; No if they are not. yes/no 3: 9 and 4: 6 4: 6 and 6: 9 5: 15 and 12: 21 8: 12 and 6: 9 4: 8 and 1: 2 1: 2 and 2: 4 2: 4 and 1: 2 4: 28 and 2: 14 4: 16 and 10: 25 6: 21 and 4: 16 4: 6 and 30: 35 10: 15 and 3: 9Are Ratios EqualDate__________________ Period_____

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• [PDF File]ratio same to - Palm Beach State College

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  3 4 8 z m m or oz across from oz tbs tb tbs across from tbs 3 48 oz oz 1 x s m m Because the cross products are equal, inverting the ratios gives us an equivalent proportion. 4) Solve the proportion. To find the number of tablespoons, drop the units, cross multiply, and solve the resulting equation: 3 48 3x 48 3 x 3 48 x 16 tbs

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• [PDF File]Introduction to Ratios & Proportions - National Center for Women’s ...

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  A proportion is two ratios that are equal to each other Do not reduce answers Proportions can be written in symbols in various ways: 1) as equal fractions, 16 2 32 4 2) with colons and equal signs, 2:16 = 4:32 3) with colons and double colons, 2:16 :: 4:32 All of the above are read as two equal ratios connected by the word as : 2 is to 16

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• [PDF File]Ratio and Proportion Handout - Tri-Valley Local School District

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  that two ratios are equal. It is two ratios joined by an equal sign. The units do not have to be the same. Some examples: a) 9 6 3 2= b) $2.80 7 lbs. $2.00 5 lbs. = c) 3 blouses inches 8 55 1 2 blouses inches 4 36 3 = These can be written as 2:3::6:9; 5 lbs.:$2.00::7 lbs.:$2.80; 4 36 inches : 2 blouses :: 3 8 55 : 3 blouses 1

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• [PDF File]Lesson 3: Solving Problems by Finding Equivalent Ratios

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  Lesson 3 ­Solving_Problems_by_Finding_ Equivalent_Ratios_Math_6­7_WP_Summary.notebook August 24, 2014 Jan 8­8:18 AM Lesson 3: Solving Problems by Finding Equivalent Ratios In this lesson, we learned how to solve two new types of equivalent ratio problems. ... How many equal‐sized parts does the tape diagram consist of? d. ...

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• [PDF File]Lesson 3 Introduction Equivalent Ratios

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  16 Lesson 3quivalent Ratios E Curriculum Associates, LLC Copying is not permitted. Use What You Know Lesson 3 Equivalent Ratios In Lessons 1 and 2, you learned about ratios. Take a look at this problem. Mr. West uses this recipe to make a batch of soup. He often doubles or triples the recipe and freezes some of the soup. What ratio of cups of ...

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• [PDF File]RATIOS, PROPORTIONS, AND THE GEOMETRIC MEAN

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  Example 1 •Find the ratio of the base to the height of each triangle. Simplify the ratio, if possible. 1) 2) 3) 15 10 5 7 20 30 Example 2 •Let x=5, y=9, and z=15. Write the ratio in simplest form. 1)x:2z 2) +3 3) 2 Example 3 •The measures of the angles of a triangle have the extended ratio of 2x:3x:4x.

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• [PDF File]Equivalent Ratios and Tables - Math Teacher Coach

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  How do we write equivalent ratios? Equivalent ratios can be determined by UP or SCALING DOWN a ratio. SCALING SCALING UP A RATIO We scale up a ratio by a scale factor, which means multiplying each term of the ratio by a given scale factor. Example: Give 3 equivalent ratios for 2:3. Sample Problem 1:

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• [PDF File]Lesson 9 Equivalent Ratios Share and Show

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  Since ratios can be written as fractions, 2 to 3 can be written as 2_ 3. Use what you know about equivalent fractions to find equivalent ratios. Equivalent Ratios Essential Question How can you determine if two ratios are equivalent? Both ratios equal 3_ 13. 4, so they are equivalent. STEP 1 Write the ratios as fractions. 6:8 = 6__ 8 18:24 = 18 ...

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• [PDF File]Purpose

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  Find the missing number to make the ratios equal. 3:x = 24:16 DeAndre I rewrote the proportion in fraction form. The scale factor is 8, since 3 times 8 equals 24. Since x times 8 has to equal 16, x must equal 2. It checks since = . I know I need 8 times 3 to get 24, so I have to multiply by 8 on the bottom, too. 16 times 8 is 128, so x is 128.

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• [PDF File]Ratios - Math Teacher Coach

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  Step 1: Find the quotient of the numbers in the ratio. 4 ÷ 1 = 4 12 ÷ 3 = 4 Step 2: If the quotients are the SAME, then ratios are EQUAL! 4:1 = 12:3 Are the ratios 3:4 and 12:16 EQUAL or NOT? Solution: 3 ÷ 4 = 0.75 12 ÷ 16 = 0.75 Therefore, 3:4 = 12:16 Reducing Ratios

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• [PDF File]Ratios and Proportional Relationships and the Number System - ASCD

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  Common Core and Mathematics: Grades 6–8 > Module 4 > Reading: Ratios and Proportional Relationships and the Number System _____ Some students would say that, because 1 must be added to 3 to get 4 (the difference between Canadian and U.S. dollars), then 20 Canadian dollars must equal 21 U.S. dollars. The student added instead of multiplying.

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• [PDF File]RATIO & PROPORTION - Hanlonmath

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  Sec 1. Defining Ratio & Proportion RATIO is a comparison between two quantities. We use ratios every day; one Pepsi costs 50 cents describes a ratio. On a map, the legend might tell us one inch is equivalent to 50 miles or we might notice one hand has five fingers. Those are all examples of comparisons – ratios. 3 Ways to Write Ratios

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• [PDF File]: The Golden Ratio - Cornell University

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  then the ratios are equal to the number ! It is called the golden ratio because among the ancient Greeks it was thought that this ratio is the most pleasing to the eye. Try This! You can verify that if the two ratios are equal then a b = yourself with a bit of careful algebra. Let a = 1 and use the quadratic equation to nd the value of b that makes

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• [PDF File]4.2 Proportions - OpenTextBookStore

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  Determining Whether a Proportion Is True or False A proportion is usually written as two equivalent fractions. For example: = 12inches 36inches 1foot 3 feet Notice that the equation has a ratio on each side of the equal sign. Each ratio compares the same units, inches and feet, and the ratios are equivalent because the units are consistent, and

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• [PDF File]Lesson 3: Equivalent Ratios - OpenCurriculum

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  What did these 3 ratios, 7:3, 14:6, 21:9, all have in common? 1. Write the ratios on the board. Allow students to verbalize their thoughts without interjecting a ... ratio to equal the corresponding quantities in the second ratio. Note: If students do not have a sufficient grasp of algebra, they should not use the algebraic definition. It is

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