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4.A father is 7times as old as his son. Two years ago, the father was 13 times as old asa his son. What are their preaent ages?

Solution

4.A father is 7times as old as his son. Two years ago, the father was 13 times as old asa his son. What are their preaent ages?

Solution

Boy^{'} s age is : 4

Father^{'} s age is : 28

Solution steps

Translate the problem into an equation:

7 x - 2 = 13 (x - 2)

Solve for

x, 7 x - 2 = 13 (x - 2) : x = 4

Find age

Boy^{'} s age is : 4

Father^{'} s age is : 28

Popular Examples

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