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# Joshua is three times as old as Kali, and Kali’s age is three years mo

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Math Expert
Joined: 02 Sep 2009
Posts: 58446
Joshua is three times as old as Kali, and Kali’s age is three years mo  [#permalink]

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18 Feb 2019, 04:20
00:00

Difficulty:

25% (medium)

Question Stats:

79% (01:51) correct 21% (01:32) wrong based on 24 sessions

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Joshua is three times as old as Kali, and Kali’s age is three years more than double Louella’s age. If Joshua is j years old, then which of the following represents Louella’s age?

A. (j - 3)/6

B. (j + 3)/3

C. (j - 6)/9

D. (j + 9)/3

E. (j - 9)/6

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Re: Joshua is three times as old as Kali, and Kali’s age is three years mo  [#permalink]

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18 Feb 2019, 04:39
Bunuel wrote:
Joshua is three times as old as Kali, and Kali’s age is three years more than double Louella’s age. If Joshua is j years old, then which of the following represents Louella’s age?

A. (j - 3)/6

B. (j + 3)/3

C. (j - 6)/9

D. (j + 9)/3

E. (j - 9)/6

given
j=3k
k=3+2L
so
j=9+6L
L= j-9/6
IMO E
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Joshua is three times as old as Kali, and Kali’s age is three years mo  [#permalink]

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18 Feb 2019, 05:25
Bunuel wrote:
Joshua is three times as old as Kali, and Kali’s age is three years more than double Louella’s age. If Joshua is j years old, then which of the following represents Louella’s age?

A. (j - 3)/6

B. (j + 3)/3

C. (j - 6)/9

D. (j + 9)/3

E. (j - 9)/6

J = 3*K

i.e. K = J/3

Now, K = 3+2L

i.e. J/3 = 3+2L

i.e. $$L =[(J/3)-3]/2$$

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Joshua is three times as old as Kali, and Kali’s age is three years mo   [#permalink] 18 Feb 2019, 05:25
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