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A boy walked to his friend house 12 miles away. If he averaged 2.5 miles per hour, how many hours did it take to reach the house ?

User DritanX
by
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2 Answers

3 votes
Hello there,

Friends house: 12 miles
Average: 2.5 mph

Write a proportion...

12/x = 2.5/1

Cross multiply and divide...

12 * 1 = 12

12/2.5 = 4.8 hours

Convert that into time...

4.8 hours or 5 h 20 m


Hope I Helped!!
-Char

User Jlbnjmn
by
9.2k points
7 votes

Answer:

4.8 hours

Explanation:

The speed of the boy is 2.5 miles per hour. Speed is defined as distance over time:


V=d/t

We have the speed and the distance and therefore we can work out the time in hours:


2.5=12/t


t=12/2.5=4.8

The boy took 4.8 hours to reach the house

User Yanjost
by
8.2k points

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