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인기 있는 Word Problems >

marc is five times as old as martha. four years ago, the sum of their ages was 50. how old are they now?

해법

ma rc i s f i v e t im es a s o l d a s ma r t ha . f o u r ye a rs a g o, t h e s u m o f t h e i r a g es w a s 50. h o w o l d a re t h ey n o w ?

해법

Martha^{'} s age is : 9 \frac{2}{3}

Marc^{'} s age is : 48 \frac{1}{3}

솔루션 단계

Translate the problem into an equation:

5 x - 4 + x - 4 = 50

x

해결 대상

, 5 x - 4 + x - 4 = 50 : x = \frac{29}{3}

age 찾다

Martha^{'} s age is : 9 \frac{2}{3}

Marc^{'} s age is : 48 \frac{1}{3}

인기 있는 예

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