Suppose you run 4 miles from your house to a friends house at the speed of 7 miles per hour. when the time comes to return home, you are tired and walk the same 4 miles home at 3 miles per hour. (the first question is how long did you spend running to your friends house)

Question

30-08-2022
Mathematics

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Suppose you run 4 miles from your house to a friends house at the speed of 7 miles per hour. when the time comes to return home, you are tired and walk the same 4 miles home at 3 miles per hour. (the first question is how long did you spend running to your friends house)

Answer :

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jonarciso jonarciso · Answer 1 · 2022-09-02T05:51:24-04:00

It would take you 34 mins and 17 seconds to run to your friend’s house, which is 4 miles away, at 7 miles per hour.

As stated in this problem, the distance is 4 miles from your house to a friend's house. The speed given for going to and from your friend’s house is different, which is 7 miles per hour and 4 miles per hour, respectively. To calculate the time you spend running to your friend's house, we will use the formula below.

Speed= Distance/Time or Time=Distance/Speed

Going to a friend’s house:

Time = 4 miles/7 miles per hour

Time = 0.57 hour or 34 mins and 17 seconds

Going home from a friend’s house:

Time = 4 miles/3 miles per hour

Time = 1.33 hours or 1 hour and 20 mins

For more problems relating to speed, distance, and time, you may refer to the link https://brainly.com/question/26046491.

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