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Today Al is 3 times as old as Pat. In 13 years, Al will be one year le

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Math Expert
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V
Joined: 02 Sep 2009
Posts: 55804
Today Al is 3 times as old as Pat. In 13 years, Al will be one year le  [#permalink]

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New post 09 Jan 2019, 02:56
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

71% (01:44) correct 29% (01:41) wrong based on 31 sessions

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CEO
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Joined: 18 Aug 2017
Posts: 3947
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
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Re: Today Al is 3 times as old as Pat. In 13 years, Al will be one year le  [#permalink]

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New post 09 Jan 2019, 04:04
Bunuel wrote:
Today Al is 3 times as old as Pat. In 13 years, Al will be one year less than twice as old as Pat will be then. How many years old is Al today?

(A) 12
(B) 33
(C) 36
(D) 42
(E) 49


A=3P

a+13= 2(p+13)-1
solve
p = 12
a= 36
IMO C
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Re: Today Al is 3 times as old as Pat. In 13 years, Al will be one year le  [#permalink]

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New post 09 Jan 2019, 04:32
Bunuel wrote:
Today Al is 3 times as old as Pat. In 13 years, Al will be one year less than twice as old as Pat will be then. How many years old is Al today?

(A) 12
(B) 33
(C) 36
(D) 42
(E) 49


A = 3P

A + 13 = 2 (P +13) -1
3P + 13 = 2P + 26 -1
P = 12

A = 36 years old

IMO answer is C.
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Re: Today Al is 3 times as old as Pat. In 13 years, Al will be one year le   [#permalink] 09 Jan 2019, 04:32
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