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Bunuel
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GMATWhizTeam
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28+x =2(11+x)
x=6
17years, 34 years

Posted from my mobile device
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Archit3110
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Bunuel
Flannery is 28 years old and Harumi is 11 years old. In how many years will Flannery’s age be twice Harumi’s age?

(A) 3
(B) 4
(C) 6
(D) 8
(E) 9

Flannery age = 28
Harumi age = 11
so in x years
28+x= 2*(11+x)
x = 6
IMO C
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I initially did the problem as:
28+x=2*(11)+x

I'm having trouble understanding why in the 2nd half of equation you multiple the x by 2 as well not just add to the 2*(11)? Is it because it leaves you with no variable? Multiplying x, the number of years, doesn't make sense to me as you're doubling the amount of years in which Flannery will be 2x his age?
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