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人気のある Word Problems >

Tony's age is 28 years younger than Mack. 5 years ago, Mack was 5 times as old as Tony.

解

T o n y^{'} s a g e i s 28 ye a rs yo u n g er t han M a c k . 5 ye a rs a g o, M a c k w a s 5 t im es a s o l d a s T o n y .

解

Tony^{'} s age is : 12

Mack^{'} s age is : 40

解答ステップ

Translate the problem into an equation:

x + 28 - 5 = 5 (x - 5)

x

を解く

x + 28 - 5 = 5 (x - 5) : x = 12

発見する age

Tony^{'} s age is : 12

Mack^{'} s age is : 40

人気の例

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