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人気のある Word Problems >

bill is 6 years older than tom. three years ago bills age was four times toms age. find the age of each boy now.

解

bi ll i s 6 ye a rs o l d er t han t o m . t h ree ye a rs a g o bi ll s a g e w a s f o u r t im es t o m s a g e . f in d t h e a g e o f e a c h b oy n o w .

解

Bill^{'} s age is : 11

Tom^{'} s age is : 5

解答ステップ

Translate the problem into an equation:

x - 3 = 4 (x - 6 - 3)

x

を解く

x - 3 = 4 (x - 6 - 3) : x = 11

発見する age

Bill^{'} s age is : 11

Tom^{'} s age is : 5

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