Study Barn - If x2 = y and x3 = 40y, where x is a positive integer, what is the value of y?

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If x² = y and x³ = 40y, where x is a positive integer, what is the value of y?

A. 80

B. 100

C. 1000

D. 1600

E. 2200

We substitute x² for y in the system of equations.
x³ = 40x²
x = 40
y = x² = 40² = 1600

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Taken: 179 times

Added: 4/8/2009

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Taggged: dat, quantitative, reasoning

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Founded by DrTeeth

50 question exam covering the Quantitative Reasoning portion of the DAT exam.

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