# SOLUTION: Last week Anna ran 20 miles. This week she ran 25 miles. The increase is what percent of the number of miles she ran last week?

Algebra ->  Algebra  -> Percentage-and-ratio-word-problems -> SOLUTION: Last week Anna ran 20 miles. This week she ran 25 miles. The increase is what percent of the number of miles she ran last week?      Log On

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 Click here to see ALL problems on Percentage-and-ratio-word-problems Question 274161: Last week Anna ran 20 miles. This week she ran 25 miles. The increase is what percent of the number of miles she ran last week?Answer by fractalier(2101)   (Show Source): You can put this solution on YOUR website!Percentage increase = [(New - Old) / Old] x 100% so if we plug in we get % increase = [(25 - 20) / 20] x 100% = (5/20) x 100% = 25%