Two trains leave stations 375 miles apart at the same time and travel toward each other. One train travels at 90 miles per hour while the other travels at 80 miles per hour. How long will it take for the two trains to meet?

Решение

Tw o t r ain s l e a v e s t a t i o n s 375 mi l es a p a r t a t t h e s am e t im e an d t r a v e l t o w a r d e a c h o t h er . O n e t r ain t r a v e l s a t 90 mi l es p er h o u r w hi l e t h e o t h er t r a v e l s a t 80 mi l es p er h o u r . Ho w l o n g w i ll i t t ak e f or t h e tw o t r ain s t o m ee t ?

time : 2 \frac{7}{34}

Шаги решения

Translate the problem into an equation:

90 x + 80 x = 375

Решите для

x, 90 x + 80 x = 375 : x = \frac{75}{34}

Преобразуйте неправильные дроби в смешанные числа

time : 2 \frac{7}{34}