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OpenStudy (anonymous):
The ratio of the heights of two similar pyramids is 4:7. The volume of the smaller pyramid is 1,331cm^3. To the nearest whole number ,what is the volume of the larger pyramid? A) 154cm^3 B) 7,133cm^3 C) 14,641cm^3 D) 18,643cm^3
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OpenStudy (dumbcow):
ratio of volumes is 4^3/7^3 = 64/343 64/343 = 1331/X cross multiply and solve for X
OpenStudy (anonymous):
so is it B?
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