dntestkly4516 dntestkly4516

02-12-2019
Mathematics

contestada

A circular track is 1/4 mile long. Elena runs on this track, completing each lap in 1/20 of an hour. What is Elena's speed? Include the unit of measure

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sqdancefan sqdancefan

02-12-2019

Answer:

5 mph

Step-by-step explanation:

The relation between speed, distance, and time is ...

speed = distance/time

Filling in the given values, we find the speed to be ...

speed = (1/4 mi)/(1/20 h) = (1/4)(20/1) mi/h = 5 mi/h

Elena's speed is 5 miles per hour.

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