Algebra

A woman can bicycle 66 miles in the same time as it takes her to walk 24 miles. She can ride 7 mph faster than she can walk. How fast can she walk?

Using r as your variable to represent the rate at which she walks, write an equation using the information as it is given above that can be used to solve this problem.

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asked by Susan
  1. Since time = distance/speed,

    66/(r+7) = 24/r

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    posted by Steve

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