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John is 4 times as old as Martha. In 5 years, the sum of their ages is 50.

Solution

John is 4 times as old as Martha. In 5 years, the sum of their ages is 50.

Solution

Martha^{'} s age is : 8

John^{'} s age is : 32

Solution steps

Translate the problem into an equation:

4 x + 5 + x + 5 = 50

Solve for

x, 4 x + 5 + x + 5 = 50 : x = 8

Find age

Martha^{'} s age is : 8

John^{'} s age is : 32

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