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Choice B sounds correct, however, in B I think the verb tense needs to be past perfect, "... country had contributed since 1890...". Current form implies that this statement, and action, continues on (March 2000 Census Bureau survey showed). So A might be the correct choice. Anyone disagrees?

Thanks. Careless mistake on my part.

GMAT Set Problem: In the coordinate plane, a circle has center (2,-3) and passes through the point (5,0). What is the area of the circle? A. 3Pi B. 3*sqrt(2Pi) C. 3*sqrt(3Pi) D. 9Pi E. 18Pi OA is E. (might be an error) Thanks

Thank you

5^x - 5^(x-3) = (124)(5^y), what is y in terms of x? A. x B. x - 6 C. x - 3 D. 2x + 3 E. 2x + 6 Can someone please explain. Thanks.

Thanks GMAT-Help. :tup:

Total length = 5 * 124 = 620 Since median length is 140 and you need the max length of the shortest piece of wood, then the shortest length of the two longer pieces can be 140 and 140. Now you have three pieces each with the length of 140. 620 - (140 * 3) = 200 200 left for the the two shorter pieces. The max length of the shortest piece can be 100 (200 / 2). So the 5 pieces are: 100, 100, 140, 140, 140.

Can someone please explain why (1) is Not Suff. It states: y > 4. Possibilities include: y=5, x=5; Main question: is x>y? Answer: No. y=6, x=4; Main question: is x>y? Answer: No. Thanks

M - J = 2 * (M - K) (1) M - 30 = 2 * (M - K) Not Suff. (2) M - J = 2 * (M - 40) M - J = 2M - 80 -M - J = -80 M + J = 80 The only solutions for M - J = 2 * (M - K) is for M = 50 and J = 30

A manufacturer produced x percent more video cameras in 1994 than in 1993 and y percent more video cameras in 1995 than in 1994. If the manufacturer produced 1,000 video cameras in 1993, how many video cameras did the manufacturer produce in 1995? (1) xy = 20 (2) x + y + (xy/100) = 9.2 Can someone please explain this one. Thanks.

Is m + z > 0? (1) m - 3z > 0 (2) 4z - m > 0 OA: C thanks

Before being simplified, the instructions for computing income tax in Country R were to add 2% of one's annual income to the average (arithmetic mean) of 100 units of Country R's currency and 1% of one's annual income. Which of the following represents the simplified formula for computing the income tax, in Country R's currency, for a person in that country whose annual income is I? A. 50 + (I/200) B. 50 + (3I/100) C. 50 + (I/40) D. 100 + (I/50) E. 100 + (3I/100) Can someone please explain. Thanks.

Thanks Manish

GMAT Set Problem: If n is an integer and 100 (1) n/36 is an odd integer. (2) n/45 is an even integer. OA is C. However, I believe that it's B. Can anyone confirm. Thanks

Thank you; that was a careless mistake on my part.