tom is 9yrs older than jerry. five years ago the sum of their age was 48. how old are they now

解

t o m i s 9 yrs o l d er t han j erry . f i v e ye a rs a g o t h e s u m o f t h e i r a g e w a s 48. h o w o l d a re t h ey n o w

Tom^{'} s age is : 33 \frac{1}{2}

Jerry^{'} s age is : 24 \frac{1}{2}

解答ステップ

Translate the problem into an equation:

x - 5 + x - 9 - 5 = 48

x

を解く

x - 5 + x - 9 - 5 = 48 : x = \frac{67}{2}

発見する age

Tom^{'} s age is : 33 \frac{1}{2}

Jerry^{'} s age is : 24 \frac{1}{2}