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Set up a ratio and solve. First you need to find the number of meters in one mile, which is 1609.344. Then set up the ratio: 20sec/100m = x sec/1609.344m Solve for x: x=(20sec)*(1609.344m)/(100m)=321.868 seconds Which if you convert into minutes and seconds would be approximately 5m22s

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15y ago
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Q: How long should it take someone to run 5 miles when they run the 100m in 20seconds?
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