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1 vote
Charlie runs 2 laps in 8 minutes. How many minutes will 9 laps take him?

1 Answer

6 votes

Answer:

36 minutes

Explanation:

We can write a ratio

2 laps 9 laps

------------- = --------------

8 minutes x minutes

Using cross products

2x = 8*9

2x = 72

Divide by 2

2x/2 = 72/2

x = 36 minutes

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