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Jess is three years older than Mike. Twenty years from now, the sum of their ages would be 51. How old is Jess today?

Solution

Jess is three years older than Mike. Twenty years from now, the sum of their ages would be 51. How old is Jess today?

Solution

Jess^{'} s age is : 7

Solution steps

Translate the problem into an equation:

x + 20 + x - 3 + 20 = 51

Solve for

x, x + 20 + x - 3 + 20 = 51 : x = 7

Jess^{'} s age is : 7

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