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人気のある Word Problems >

If two people both leave their houses at 6:00 and one person goes 8mph and the other goes 7mph and they are 20 miles away from each other what time would they meet

解

I f tw o p eo pl e b o t h l e a v e t h e i r h o u ses a t 6 : 00 an d o n e p erso n g oes 8 m p h an d t h e o t h er g oes 7 m p h an d t h ey a re 20 mi l es a w a y f ro m e a c h o t h er w ha t t im e w o u l d t h ey m ee t

解

time : 1 \frac{1}{3}

解答ステップ

Translate the problem into an equation:

8 x + 7 x = 20

x

を解く

8 x + 7 x = 20 : x = \frac{4}{3}

仮分数を帯分数に変換する

time : 1 \frac{1}{3}

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