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受欢迎的 Word Problems >

Emma is five years older than Joe. The sum of Emma and Joe's age is 140 How old is Emma and how old is Joe

解答

E mma i s f i v e ye a rs o l d er t han J oe . T h e s u m o f E mma an d J o e^{'} s a g e i s 140 Ho w o l d i s E mma an d h o w o l d i s J oe

解答

Emma^{'} s age is : 72 \frac{1}{2}

Joe^{'} s age is : 67 \frac{1}{2}

求解步骤

Translate the problem into an equation:

x + x - 5 = 140

求解

x, x + x - 5 = 140 : x = \frac{145}{2}

找到 age

Emma^{'} s age is : 72 \frac{1}{2}

Joe^{'} s age is : 67 \frac{1}{2}

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