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
[spoiler]OA=C[/spoiler]
Source: Manhattan GMAT
Flannery is 28 years old and Harumi is 11 years old. In how many years will Flannery’s age be twice Harumi’s age?
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Let x be the number of years from now so that Flannery’s age will be twice Harumi’s age. We can create the equation:
28 + x = 2(11 + x)
28 + x = 22 + 2x
6 = x
Answer: C
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