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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
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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09 Jan 2019, 02:56
00:00

Difficulty:

35% (medium)

Question Stats:

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

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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

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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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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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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

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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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