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amy is 7 years older than beth. the product of their ages is 800. what is their combined age

Solution

amy is 7 years older than beth. the product of their ages is 800. what is their combined age

Solution

the sum of their ages : 57

Solution steps

Translate the problem into an equation:

x (x - 7) = 800

Solve for

x, x (x - 7) = 800 : x = 32, x = - 25

Find the sum of their ages :

57

the sum of their ages : 57

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