单选题The width of a rectangular prism is doubled, its length is tripled, and its height is cut in half. If the volume of the original prism was V, what is its new volume?A2VB4VC16VD6VE3V
单选题
The width of a rectangular prism is doubled, its length is tripled, and its height is cut in half. If the volume of the original prism was V, what is its new volume?
A
2V
B
4V
C
16V
D
6V
E
3V
参考解析
解析：
The volume of the original prism was V=l×w×h. The volume of the new prism is
V=2×3w×(1/2)h=3l×w×h=3V.
The volume of the original prism was V=l×w×h. The volume of the new prism is
V=2×3w×(1/2)h=3l×w×h=3V.
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