Free GRE GRE Exam Braindumps (page: 62)



GRE- Quantitative Reasoning
Explanation: Because the t-terms are the same (.2t), the quickest way to solve for s here is
with the addition- subtraction method. Manipulate both equations so that corresponding terms
"line up," then add the two equations:

QUESTION: 37

If a building b feet high casts a shadow f feet long, then, at the same time of day, a tree t feet
high wil cast a shadow how many feet long?

A. Option A
B. Option B
C. Option C
D. Option D
E. Option E

Answer(s): E
Explanation: The ratio of height to the shadow is constant. Thus, the ratio of b to f can be set
equal to the ratio of t to x, where x represents the length of the tree's shadow:


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