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Daryl is twice as old as Kathlyn. In 6 years, he will be four times as old as she was 3 years ago. Find their present ages.

Solution

Daryl is twice as old as Kathlyn. In 6 years, he will be four times as old as she was 3 years ago. Find their present ages.

Solution

Daryl^{'} s age is : 6

Kathlyn^{'} s age is : 3

Solution steps

Translate the problem into an equation:

x + 6 = 4 (x - 3)

Solve for

x, x + 6 = 4 (x - 3) : x = 6

Find age

Daryl^{'} s age is : 6

Kathlyn^{'} s age is : 3

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