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人気のある Word Problems >

Andrea is 9 years younger than Robert and the sum of their ages is 83. How old is each?

解

A n d re a i s 9 ye a rs yo u n g er t han R o b er t an d t h e s u m o f t h e i r a g es i s 83. Ho w o l d i s e a c h ?

解

Andrea^{'} s age is : 37

Robert^{'} s age is : 46

解答ステップ

Translate the problem into an equation:

x + x + 9 = 83

x

を解く

x + x + 9 = 83 : x = 37

発見する age

Andrea^{'} s age is : 37

Robert^{'} s age is : 46

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