mackenzietucker282 mackenzietucker282

24-01-2020
Mathematics

contestada

A road sign gives drivers information about traffic on busy highways. One sign shows "15 miles in 20 minutes." What is the speed in miles per hour?

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sabienadderley03 sabienadderley03

24-01-2020

Answer:

45

Step-by-step explanation:

1 hour = 60 minutes

15 / 20 = x / 60

solve for x

15*3 / 20*3 = x / 60

45 / 60 = x / 60

denominators cancel

x = 45

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