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

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

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

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

解答ステップ

Translate the problem into an equation:

x + x - 5 = 140

x

を解く

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

発見する age

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

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