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Maryl is 12 years older than Shaira. 10 years ago, the sum of their ages was 40.

Solution

Maryl is 12 years older than Shaira. 10 years ago, the sum of their ages was 40.

Solution

Maryl^{'} s age is : 36

Shaira^{'} s age is : 24

Solution steps

Translate the problem into an equation:

x - 10 + x - 12 - 10 = 40

Solve for

x, x - 10 + x - 12 - 10 = 40 : x = 36

Find age

Maryl^{'} s age is : 36

Shaira^{'} s age is : 24

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