Question

A sphere is enlarged so that its new volume is 8 times greater than its original. If the original volume was 36π, by how much did the original radius increase?

Select one:
A. 1
B. 2
C. 3
D. 4

Answer 1

If its 8 times greater.....whats half of 8? well, lets do it like this. A... 1+1? Nope....B.. 2+2? nope...C...3+3? nope! then we have the last one D, so let's do 4+4= 8. There we go! D, 4 is the right answer to your question! Hope this helped mate