SOLUTION: The sides of a cube are doubled in length. By how many percent is the increase in the volume?

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Question 1142216: The sides of a cube are doubled in length. By how many percent is the increase in the
volume?

Found 3 solutions by Boreal, Alan3354, MathTherapy:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
x is the side x^3 the volume
2x is twice the side (2x)^3=8x^3 is the volume
---> a 700% increase

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The sides of a cube are doubled in length. By how many percent is the increase in the volume?
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The volume is 8 times as great.
That's a 700% increase.
=================
It's 7 times greater, 8 times as much.
See the difference?

Answer by MathTherapy(10557) About Me  (Show Source):
You can put this solution on YOUR website!

The sides of a cube are doubled in length. By how many percent is the increase in the
volume?
Correct answer: highlight_green%28matrix%281%2C4%2C+Increase%2C+in%2C+%22volume%3A%22%2C+%22700%25%22%29%29