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paris is 7 years older than amy. Ten years from now, the sum of their ages will be 43. How old are they now?

Soluzione

paris is 7 years older than amy. Ten years from now, the sum of their ages will be 43. How old are they now?

Soluzione

Paris^{'} s age is : 15

Amy^{'} s age is : 8

Fasi della soluzione

Translate the problem into an equation:

x + 10 + x - 7 + 10 = 43

Risolvi per

x, x + 10 + x - 7 + 10 = 43 : x = 15

Trova age

Paris^{'} s age is : 15

Amy^{'} s age is : 8

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