SOLUTION: Debbie finished her first marathon in approximately 5.2 hours. She was able to complete her most recent marathon in about 3.9 hours. By what percent did her time decrease?
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Question 981792: Debbie finished her first marathon in approximately 5.2 hours. She was able to complete her most recent marathon in about 3.9 hours. By what percent did her time decrease?
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Hi there,
5.2 hours - 3.9 hours
= 1.3 hours
1.3/5.2 X 100 = 25% decrease.
Hope this helps :-)
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