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Gita is 12 years older than Harvey. In 4 years, Gita will be
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17 Oct 2017, 22:17
17 Oct 2017, 22:17
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Question Stats:
72% (00:44) correct
27% (01:17) wrong based on 11 sessions
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Gita is 12 years older than Harvey. In 4 years, Gita will be twice as old as Harvey. How old will Harvey be in 3 years?
(A) 5
(B) 11
(C) 15
(D) 19
(E) 23
Kudos for correct solution.
(A) 5
(B) 11
(C) 15
(D) 19
(E) 23
Kudos for correct solution.
Re: Gita is 12 years older than Harvey. In 4 years, Gita will be
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18 Oct 2017, 05:13
18 Oct 2017, 05:13
2
Defining Gita's age as G and Harvey's age as H, the information above can be translated into two equations
\(G = H+12\)
\(G+4 = 2(H+4)\)
Solving them, we get H = 8, thus in 3 years Harvey will be 8+3 = 11 years old. Answer B
\(G = H+12\)
\(G+4 = 2(H+4)\)
Solving them, we get H = 8, thus in 3 years Harvey will be 8+3 = 11 years old. Answer B
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Re: Gita is 12 years older than Harvey. In 4 years, Gita will be
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02 Jan 2018, 06:47
02 Jan 2018, 06:47
1
Expert Reply
Bunuel wrote:
Gita is 12 years older than Harvey. In 4 years, Gita will be twice as old as Harvey. How old will Harvey be in 3 years?
(A) 5
(B) 11
(C) 15
(D) 19
(E) 23
(A) 5
(B) 11
(C) 15
(D) 19
(E) 23
We can let g = Gita’s age today and h = Harvey’s age today and create the following equation:
g = h + 12
and
g + 4 = 2(h + 4)
g + 4 = 2h + 8
g = 2h + 4
Thus:
h + 12 = 2h + 4
8 = h
So, Harvey will be 11 in 3 years.
Answer: B
