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Popolare 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?

Soluzione

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 ?

Soluzione

walking speed : 1.5

Fasi della soluzione

Translate the problem into an equation:

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

Risolvi per

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

Semplificare

walking speed : 1.5

Esempi popolari

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