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人気のある Word Problems >

tina is ten years older than cosmo. in 4 years, tina will be twice as old as cosmo. how old are they now

解

t ina i s t e n ye a rs o l d er t han cos m o . in 4 ye a rs, t ina w i ll b e tw i ce a s o l d a s cos m o . h o w o l d a re t h ey n o w

解

Tina^{'} s age is : 16

Cosmo^{'} s age is : 6

解答ステップ

Translate the problem into an equation:

x + 4 = 2 (x - 10 + 4)

x

を解く

x + 4 = 2 (x - 10 + 4) : x = 16

発見する age

Tina^{'} s age is : 16

Cosmo^{'} s age is : 6

人気の例

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