Two trains leave stations 228 miles apart at the same time and travel toward each other. One train travels at 85 miles per hour while the other travels at 92 miles per hour. How long will it take for the two trains to meet?

解答

Tw o t r ain s l e a v e s t a t i o n s 228 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 85 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 92 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 : 1 \frac{17}{59}

求解步骤

Translate the problem into an equation:

85 x + 92 x = 228

求解

x, 85 x + 92 x = 228 : x = \frac{76}{59}

将假分式转换为带分数

time : 1 \frac{17}{59}