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人気のある Word Problems >

Lauren's age is twice of Joe's age. Emma is four years older than Joe. The sum of Lauren, Emma, and Joe's age is 52. How old is Joe?

解

L a u re n^{'} s a g e i s tw i ce o f J o e^{'} s a g e . E mma i s f o u r ye a rs o l d er t han J oe . T h e s u m o f L a u re n, E mma, an d J o e^{'} s a g e i s 52. Ho w o l d i s J oe ?

解

Joe^{'} s age is : 12

解答ステップ

Translate the problem into an equation:

2 x + x + 4 + x = 52

x

を解く

2 x + x + 4 + x = 52 : x = 12

Joe^{'} s age is : 12

人気の例

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