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Populaire >

Leah can bicycle 92 miles in the same time as it takes her to walk 12 miles. She can ride 10 mph faster than she can walk. How fast can she walk?

Solution

Leah can bicycle 92 miles in the same time as it takes her to walk 12 miles. She can ride 10 mph faster than she can walk. How fast can she walk?

Solution

walking speed : 1.5

étapes des solutions

Translate the problem into an equation:

\frac{92}{x + 10} = \frac{12}{x}

Solutionner pour

x, \frac{92}{x + 10} = \frac{12}{x} : x = \frac{3}{2}

Simplifier

walking speed : 1.5

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