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인기 있는 Word Problems >

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

해법

am y i s 9 ye a rs o l d er t han b e t h . t h e p ro d u c t o f t h e i r a g es i s 630. w ha t i s t h e i r co mbin e d t o t a l a g e

해법

Amy^{'} s age is : 30

Beth^{'} s age is : 21

솔루션 단계

Translate the problem into an equation:

x (x - 9) = 630

x

해결 대상

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

age 찾다

Amy^{'} s age is : 30

Beth^{'} s age is : 21

인기 있는 예

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