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Popular Word Problems >

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

L e ah c an bi cyc l e 92 mi l es in t h e s am e t im e a s i t t ak es h er t o w a l k 12 mi l es . S h e c an r i d e 10 m p h f a s t er t han s h e c an w a l k . Ho w f a s t c an s h e w a l k ?

Solution

walking speed : 1.5

Solution steps

Translate the problem into an equation:

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

Solve for

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

Simplify

walking speed : 1.5

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