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eyunni
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If 125% of j is equal to 25% of k, 150% of k is equal to 50% 27 Oct 2007, 12:40
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If 125% of j is equal to 25% of k, 150% of k is equal to 50% of l, and 175% of l is equal to 75% of m, then 20% of m is equal to what percent of 200% of j ?


(1) .35

(2) 3.5

(3) 35

(4) 350

(5) 3500



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If 125% of j is equal to 25% of k, 150% of k is equal to 50% 27 Oct 2007, 13:29
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eyunni
If 125% of j is equal to 25% of k, 150% of k is equal to 50% of l, and 175% of l is equal to 75% of m, then 20% of m is equal to what percent of 200% of j ?


(1) .35

(2) 3.5

(3) 35

(4) 350

(5) 3500
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125j=25k ---> 5j=k
150k=50i ----> 3k=i
175i=75m ----> 7i=3m
20m=200j*k ---> m=10jk
so k?

i=15j
15j*7=3m ---> 35j=m
35j=10jk
k=3.5

so 3.5% B
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If 125% of j is equal to 25% of k, 150% of k is equal to 50% 27 Oct 2007, 13:56
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That is what even I got. I think PrincetonReview has the wrong OA(D). It should be (B).
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Ravshonbek
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If 125% of j is equal to 25% of k, 150% of k is equal to 50% 27 Oct 2007, 15:02
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eyunni
That is what even I got. I think PrincetonReview has the wrong OA(D). It should be (B).
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hmm. i doubt my answer actually. it should be D actually. but let's see if any other guys give some other ideas. % is cancelled and K is left and k is a number so it should be mulitplied by 100%
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If 125% of j is equal to 25% of k, 150% of k is equal to 50% 27 Oct 2007, 20:27
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Yup. I did a lot of arithmetic, but i finally got, m=35J
.2(m) = (1/5)(35j) = 7J
so, 2J = X7J
X = 3.5

What percent of .2M = 7j?
350%



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