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Popular >

John is 4 times as old as Martha. Five years ago, the sum of their ages is 50. Find their present age.

Solution

John is 4 times as old as Martha. Five years ago, the sum of their ages is 50. Find their present age.

Solution

Martha^{'} s age is : 12

John^{'} s age is : 48

Solution steps

Translate the problem into an equation:

4 x - 5 + x - 5 = 50

Solve for

x, 4 x - 5 + x - 5 = 50 : x = 12

Find age

Martha^{'} s age is : 12

John^{'} s age is : 48

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