Question

Each dimension of a rectangular prism is increased by 30%. What percent of the original volume is the volume of the new prism?

9 percent

169 percent

2.7 percent

219.7 percent

Answer 1

when you have a 3d shape and increase its lenghts by some factor n, its volume goes up by a factor of n^3

Answer 2

U could plug in two number, and then try

Answer 3

That will be easier to understand

Answer 4

so if you increase the sides by a factor of 1.3, the volume increases by what factor?

Answer 5

thanks guys

Answer 6

c

Answer 7

you should take care of the "percent"

Answer 8

wich one

Answer 9

Ok, so if u increase each side by 1.3, and there are 3 side u should consider, right?

Answer 10

yea

Answer 11

Then, how did u get C?

Answer 12

1.3^3 should be 2.197, and this is only the ratio, isn't the percentage

Answer 13

oh thnks so much