SOLUTION: If it takes Paula 2 hours to run 30 laps of her neighbourhood, how many minutes would it take Paula to run 90 laps?

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Question 752524: If it takes Paula 2 hours to run 30 laps of her neighbourhood, how many minutes would it take Paula to run 90 laps?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
30/2=90/x cross multiply
30x=2*90
30x=180
x=180/30
x=6 hours or 360 minutes.