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Maryl is 5 years younger than Shaira. 4 years ago, the sum of their ages was 12.

Solution

Maryl is 5 years younger than Shaira. 4 years ago, the sum of their ages was 12.

Solution

Maryl^{'} s age is : 7 \frac{1}{2}

Shaira^{'} s age is : 12 \frac{1}{2}

Solution steps

Translate the problem into an equation:

x - 4 + x + 5 - 4 = 12

Solve for

x, x - 4 + x + 5 - 4 = 12 : x = \frac{15}{2}

Find age

Maryl^{'} s age is : 7 \frac{1}{2}

Shaira^{'} s age is : 12 \frac{1}{2}

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