Source: Magoosh
Today, Bill is thirteen times as old as Pete. In nine years, bill will be four times as old as Pete. How old will be Pete in 2 years from today?
A. 3
B. 4
C. 5
D. 6
E. 7
The OA is C
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Today, Bill is thirteen times as old as Pete. In nine years, Bill will be four times as old as Pete...
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BTGmoderatorLU
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Solution:BTGmoderatorLU wrote: ↑Thu Sep 17, 2020 10:56 amSource: Magoosh
Today, Bill is thirteen times as old as Pete. In nine years, bill will be four times as old as Pete. How old will be Pete in 2 years from today?
A. 3
B. 4
C. 5
D. 6
E. 7
The OA is C
If we let p = Pete’s current age, then 13p = Bill’s current age. We can create the equation:
13p + 9 = 4(p + 9)
13p + 9 = 4p + 36
9p = 27
p = 3
Since Pete is currently 3 years old, in 2 years, he will be 5 years old.
Answer: C
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