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amy is 9 years older than beth. the product of their ages is 630. what is their combined total age

Solution

amy is 9 years older than beth. the product of their ages is 630. what is their combined total age

Solution

Amy^{'} s age is : 30

Beth^{'} s age is : 21

Solution steps

Translate the problem into an equation:

x (x - 9) = 630

Solve for

x, x (x - 9) = 630 : x = 30, x = - 21

Find age

Amy^{'} s age is : 30

Beth^{'} s age is : 21

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