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Popolare Word Problems >

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?

Soluzione

A w o man c an bi cyc l e 44 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 8 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 ?

Soluzione

walking speed : 3

Fasi della soluzione

Translate the problem into an equation:

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

Risolvi per

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

walking speed : 3

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