SOLUTION: At a speed of 40 miles per hour, how many minutes does it take to cover 8 miles?

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Question 480178: At a speed of 40 miles per hour, how many minutes does it take to cover 8 miles?
Answer by Maths68(1474) About Me  (Show Source):
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40 miles per hour
or 40 miles in 60 minutes

40 miles.............. 60 minutes
Divide by 40 both sides
40/40 miles............60/40 minutes
1 mile.................3/2 minutes
Multiply by 8 both sides
1*8 miles..............8*(3/2) mintues
8 miles................4*3 minutes
8 miles................12 minutes