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인기 있는 Word Problems >

Jonathan is now three times as old as his son is. Twelve years ago he was six times as old as his son was. Find the present ages.

해법

Jonathan is now three times as old as his son is. Twelve years ago he was six times as old as his son was. Find the present ages.

해법

Son^{'} s age is : 20

Jonathan^{'} s age is : 60

솔루션 단계

Translate the problem into an equation:

3 x - 12 = 6 (x - 12)

x

해결 대상

, 3 x - 12 = 6 (x - 12) : x = 20

age 찾다

Son^{'} s age is : 20

Jonathan^{'} s age is : 60

인기 있는 예

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