Question

Riding a bike to school takes 25 minutes. Coming home only takes 20 minutes. If the trip to school is 3 miles long, what is the average miles per hour for the whole trip?

(a)6
(b)8
(c)9
(d)12
(e)14

Answer 1

Distance = Rate * Time -- Never different.

Rate = Distance / Time

What was the total distance?
What was the total time?

Answer 2

Total distance: 6
Total time: 45

Answer 3

@tkhunny

Answer 4

The problem statement wants miles per hour.

Is '6' miles? If so, you can continue.
Is "45" hours? If not, you must convert it.

Answer 5

45 minutes becomes 3/4 an hr

Answer 6

Okay, final answer is...?

Answer 7

1/2...?

Answer 8

You need miles per hour or mph or miles/hours. Create such a division problem.

Rate = Distance / Time

Answer 9

8 miles per hr.

Answer 10

Indeed! Way to hang in there. Move on to the next one. Good work.

Answer 11

Thank you!