Ben is 30 years old and daniel is 2 years old. how many years will it take until ben is only 3 times as old as daniel?

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22-12-2016
Mathematics

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Ben is 30 years old and daniel is 2 years old. how many years will it take until ben is only 3 times as old as daniel?

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apologiabiology apologiabiology · Answer 1 · 2016-12-22T09:28:19+01:00

apologiabiology apologiabiology

22-12-2016

ben's age in x yeears=30+x
daniel's age in x years is 2+x

when will ben's age in x years be 3 times of daniel's age in x years
30+x=3(2+x)
30+x=6+3x
minus x both sides
30=6+2x
minus 6 both sides
24=2x
divide by 2 both sides
12=x

answer is in 12 years

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kawaiisavage7 kawaiisavage7 · Answer 2 · 2020-07-23T16:10:27+02:00

kawaiisavage7 kawaiisavage7

23-07-2020

the answer is 12 years

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