Andrew walked 3/4 mile in 10 minutes. jill walked 4/5 mile in 15 minutes. what was the difference in their speeds, in miles per hour?

1.3 miles per hour

Step-by-step explanation:

3/4 / 10 = 3/40

4/5 / 15 = 4/75

3/40 x 60=4.5

4/75 x 60 = 3.2

4.5 - 3.2 = 1.3

1.3 mph

answer

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explanation

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the excluded values are obtained by solving:

we factor to obtain:

the excluded values are