Unit Analysis Practice Problems - The Learning House, Inc.

3) The distance run in a marathon is 26.2 miles. How long (in hours) would it take a runner to complete the race assuming an average speed of 425 centimeters per second (cm/s)? 1 foot (ft) 12 inches (in); 2.54 centimeters (cm) 1 in; 1 hour (hr) 60 minutes (min); 1 min 60 seconds (s) 26.2 mi 5280 ft 12 in 1 ft 2.54 cm 425 cm 1 sec 1 min ................
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