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makkiz [27]
3 years ago
9

A circular running track is 1/4 mile long. Elena runs on this track, completing each lap in 1/20 of an hour. What is her speed?

Include the unit of measure
Mathematics
1 answer:
Nina [5.8K]3 years ago
6 0

Answer:

Her speed is 5 miles per hour.

Step-by-step explanation:

The formula of the speed is given by:

v = \frac{d}{t}

In which d is the distance, and t is the time.

In this question:

Distance: 1/4 mile = 0.25 miles.

Time: 1/20 hour = 0.05 hours.

So

v = \frac{d}{t} = \frac{0.25}{0.05} = 5

Since the distance is in miles and the time in hours, the speed is in miles per hour.

Her speed is 5 miles per hour.

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