Percentage problems with answers
[DOC File]PERCENT APPLICATIONS WORKSHEET
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1. Sue answers 42 out of 60 questions correctly. What . percent. of her answers are . correct? 2. On a 20-item practice test, how many questions must you answer correctly for a . score of 80% correct? 3. A teacher earns $18,500 per year. If 18% of her income is withheld for taxes, how . much money is withheld for taxes? How much of her income ...
[DOC File]Z-Score Practice Worksheet
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A normal distribution of scores has a standard deviation of 10. Find the z-scores corresponding to each of the following values: A score that is 20 points above the mean.
[DOC File]PERCENT ERROR WORKSHEET
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PERCENT ERROR WORKSHEET Name _____Date _____Period_____ Percent Error = |Your Answer – Accepted Value| x100
[DOC File]Solving Percent Problems using - Weebly
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L1 - Solving Percent Problems using Name: _____ Proportions Worksheet Date: _____ Section: _____ REMEMBER: “OF” number is always behind the word of PROPORTION “%” number is the number with the percent sign “IS” number will be in front of the word is . or behind the word is
[DOCX File]Percentage Composition and Empirical & Molecular Formula
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Chemistry: Percentage Composition and Empirical & Molecular Formula. Solve the following problems. Show your work, and always include units where needed. 1. A compound is found to contain 36.5% Na, 25.4% S, and 38.1% O. Find its empirical formula. 2. Find the empirical formula of a compound that is 53.7% iron and 46.3% sulfur. 3.
PERCENTAGE COMPOSITION WORKSHEET
Use percentage composition AND gravimetric factor!! 200. kg Al2O3 x 53.96 kg Al = 106 kg Al. 101.96 kg Al2O3 % Al = MAl x 100 = 53.96 g Al x 100 = 52.92 % Al. MAl2O3 101.96 g Al2O3. 200. kg Al2O3 x 52.92 kg Al = 106 kg Al. 100.00 kg Al2O3 . 8. Calcium chloride can exist as the ANHYDROUS compound CaCl2 or as three different hydrated forms which ...
[DOC File]Exercises (Mass Percent) - Chemistry Geek
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Mass Percent) 1. 5.0 grams of sugar are dissolved in 150 g of water What is the mass percent of sugar in the solution? 2. A 200-gram solution of alcohol contains 180 mL of water.
[DOC File]PERCENT ERROR WORKSHEET
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This number becomes the numerator of one ratio with the denominator of that ratio being the actual measured value. The second ratio will be % over 100. From here, you cross multiply and solve just like you do for other percent problems. METHOD. 1. METHOD. 2
[DOCX File]Loudoun County Public Schools
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Percentage: Name:_____ Word Problems. Find the answers to the percentage problems. The $199.99 poodle I purchased was on sale for 10% off, what did I pay for my poodle? I got 40% off when I purchased a rare comic book regularly priced at $54.50. How much did I pay? My new shoelaces were .95 but were on sale at 20% off.
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