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If Mark was 14 years old 14 years ago, how old will he be 12 years from now?

Solution

If Mark was 14 years old 14 years ago, how old will he be 12 years from now?

Solution

Mar k^{'} s age in 12 years : 40

Solution steps

Translate the problem into an equation:

x - 14 = 14

Solve for

x, x - 14 = 14 : x = 28

Find Mark's age in 12 years:

40

Mar k^{'} s age in 12 years : 40

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