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人気のある Word Problems >

Gina is 12 years old. She is twice as old as her sister Julia. How old is Julia?

解

G ina i s 12 ye a rs o l d . S h e i s tw i ce a s o l d a s h er s i s t er J u l ia . Ho w o l d i s J u l ia ?

解

Julia^{'} s age is : 6

解答ステップ

Translate the problem into an equation:

2 x = 12

x

を解く

2 x = 12 : x = 6

Julia^{'} s age is : 6

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