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The volume of a rectangular prism is 115 cm3. If the length is doubled, the width is tripled, and the height is cut in half, what is the volume of the new prism?
answers
a. 115 cm3
b. 690 cm3
c. 230 cm3
d. 345 cm3
 Jan 7, 2014
 #1
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d - length x2, width x3, height /2 -> (2x3)/2=3
115x3=345
 Jan 7, 2014
 #2
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The volume of a rectangular prism is 115 cm3. If the length is doubled, the width is tripled, and the height is cut in half, what is the volume of the new prism?
Guest:

d - length x2, width x3, height /2 -> (2x3)/2=3
115x3=345



This is a good answer guest. Thank you.
I really hope that your don't mind but I am going to tweak it a little.

original voume
L * W * H = 115 cm3
new volume
Lx2 * W x3 * H /2 = > L * W * H * 2 * 3 * 1/2 => 115 x 3 => 345cm 3

NEVER NEVER FORGET THE UNITS!
 Jan 8, 2014

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