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Popular Word Problems >

Erin goes off on a long bike ride, averaging 10 km /h . One hour later her brother Alistair starts chasing after her at 16 km / h . How long will it take Alistair to catch up to Erin?

Solução

E r in g oes o ff o n a l o n g bik e r i d e, a v er a g in g 10 km / h . O n e h o u r l a t er h er b ro t h er A l i s t ai r s t a r t s c ha s in g a f t er h er a t 16 km / h . Ho w l o n g w i ll i t t ak e A l i s t ai r t o c a t c h u p t o E r in ?

Solução

Alistai r^{'} s time : \frac{5}{8}

Passos da solução

Translate the problem into an equation:

10 = 16 x

Resolver para

x, 10 = 16 x : x = \frac{5}{8}

Alistai r^{'} s time : \frac{5}{8}

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