# SOLUTION: If a land speed record car travels 5 miles in 62 seconds, what was it's average speed in miles per hour?

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 Click here to see ALL problems on Travel Word Problems Question 259944: If a land speed record car travels 5 miles in 62 seconds, what was it's average speed in miles per hour?Answer by unlockmath(1657)   (Show Source): You can put this solution on YOUR website!Hello, We can set this up as a proportion as follows: A couple things are needed before we set it up. One is x will represent the speed of the car and we need to know how many seconds in an hour. there are 3600 seconds in one hour. so here it is: 5/62=x/3600 Cross multiply gives us: 62x=18000 Divide 62 into both sides will be: x=290.32 miles an hour (fast) RJ Check out a new book I wrote at: www.math-unlock.com