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单选题
A rectangular prism has a length of 15 cm, a width of 9 cm, and a height of 6 cm. If each dimension is divided by 3, what is the ratio of the volume of the original prism to the second prism?
A

1:9

B

3:1

C

9:1

D

27:1

E

81:1

参考答案

参考解析
解析：
The scale factor of the two similar prisms is 3:1. The ratio of their volumes is, therefore, 33:13 or 27:1.
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