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Популярное Word Problems >

Reggie made a business trip of 244 miles. He averaged 48mph for the first part of the trip and 62mph for the second part. If the trip took 4.5 hours, how long did he travel at each rate?

Решение

R e gg i e ma d e a b u s in ess t r i p o f 244 mi l es . He a v er a g e d 48 m p h f or t h e f i rs t p a r t o f t h e t r i p an d 62 m p h f or t h e seco n d p a r t . I f t h e t r i p t oo k 4.5 h o u rs, h o w l o n g d i d h e t r a v e l a t e a c h r a t e ?

Решение

trip 1 time : 2.5

trip 2 time : 2

Шаги решения

Translate the problem into an equation:

48 x + 62 (4.5 - x) = 244

Решите для

x, 48 x + 62 (4.5 - x) = 244 : x = \frac{5}{2}

Найдите time

trip 1 time : 2.5

trip 2 time : 2

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