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Beliebt >

A woman can bicycle 104 miles in the same time as it takes her to walk 24 miles. She can ride 10 mph faster than she can walk. How fast can she walk?

Lösung

A woman can bicycle 104 miles in the same time as it takes her to walk 24 miles. She can ride 10 mph faster than she can walk. How fast can she walk?

Lösung

walking speed : 3

Schritte zur Lösung

Translate the problem into an equation:

\frac{104}{x + 10} = \frac{24}{x}

Löse nach

x, \frac{104}{x + 10} = \frac{24}{x} : x = 3

walking speed : 3

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