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Last year, if Arturo spent a total of $12,000 on his [#permalink]
23 Mar 2011, 06:24

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Difficulty:

35% (medium)

Question Stats:

57% (02:35) correct
43% (00:41) wrong based on 30 sessions

88. Last year, if Arturo spent a total of $12,000 on his mortgage payments, real estate taxes, and home insurance, how much did he spend on his real estate taxes? 1) Last year, the total amount that Arturo spent on his real estate taxes and home insurance was 33 percent of the amount that he spent on his mortgage payments. (2) Last year, the amount that Arturo spent on his real estate taxes was 20 percent of the total amount he spent on mortgage payments and home insurance.

Re: og12: Arturo spent a total of $12,000 [#permalink]
23 Mar 2011, 06:39

1

This post received KUDOS

gtr022001 wrote:

88. Last year, if Arturo spent a total of $12,000 on his mortgage payments, real estate taxes, and home insurance, how much did he spend on his real estate taxes? 1) Last year, the total amount that Arturo spent on his real estate taxes and home insurance was 33 percent of the amount that he spent on his mortgage payments. (2) Last year, the amount that Arturo spent on his real estate taxes was 20 percent of the total amount he spent on mortgage payments and home insurance.

i'll add OA later

Let we denote the spending by M,R and I

M+R+I=12000

R=?

1. R+I=0.33M R= 0.33M-I M+R+I=12000 We just have two equations and 3 variables. Also, we can't get rid of any variable from the given conditions. Not Sufficient.

Re: og12: Arturo spent a total of $12,000 [#permalink]
08 Nov 2011, 11:59

1

This post received KUDOS

given : r+m+h = 12,000 What is r? (1) r+h = 1/3 m substituting in the given equation gives: m + m/3 = 12000. We can only solve for m but can go no further. Insufficient (2) r= 20/100 (m+h) 5r = m+h. substituting in the given equation 5r + r = 12000 r = 2000. Sufficient.

Re: Last year, if Arturo spent a total of $12,000 on his [#permalink]
05 Dec 2011, 21:16

T+M+I=12K

Statement 2: T= .2(M+I)= .2(12k-T) can be solved for T. sufficient. Statement 1: T+I=.33M using stem, we can solve for M, but we still have 2 variable to solve. Not Sufficient.

gmatclubot

Re: Last year, if Arturo spent a total of $12,000 on his
[#permalink]
05 Dec 2011, 21:16