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人気のある Word Problems >

Two trains leave stations 300 miles apart at the same time and travel toward each other. One train travels at 85 miles per hour while the other travels at 70 miles per hour. How long will it take for the two trains to meet?

解

Tw o t r ain s l e a v e s t a t i o n s 300 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 70 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 ?

解

time : 1 \frac{29}{31}

解答ステップ

Translate the problem into an equation:

85 x + 70 x = 300

x

を解く

85 x + 70 x = 300 : x = \frac{60}{31}

仮分数を帯分数に変換する

time : 1 \frac{29}{31}

人気の例

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