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the sum of the ages of a father and son is 76. four years ago, the father was 3 times as old as the son. find the present age of each

Solution

the sum of the ages of a father and son is 76. four years ago, the father was 3 times as old as the son. find the present age of each

Solution

Father^{'} s age is : 55

Boy^{'} s age is : 21

Solution steps

Translate the problem into an equation:

x - 4 = 3 (76 - x - 4)

Solve for

x, x - 4 = 3 (76 - x - 4) : x = 55

Find age

Father^{'} s age is : 55

Boy^{'} s age is : 21

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