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人気のある >

A woman can bicycle 44 miles in the same time as it takes her to walk 12 miles. She can ride 8 mph faster than she can walk. How fast can she walk?

解

A woman can bicycle 44 miles in the same time as it takes her to walk 12 miles. She can ride 8 mph faster than she can walk. How fast can she walk?

解

walking speed : 3

解答ステップ

Translate the problem into an equation:

\frac{44}{x + 8} = \frac{12}{x}

x

を解く

\frac{44}{x + 8} = \frac{12}{x} : x = 3

walking speed : 3

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