SOLUTION: A sphere has a radius two times greater than the radius of a smaller sphere . How many times greater is the volume of the larger sphere than the volume of the small sphere.

Question 878453: A sphere has a radius two times greater than the radius of a smaller sphere . How many times greater is the volume of the larger sphere than the volume of the small sphere.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
formula for volume of sphere.
Let r = radius of small sphere, and then 2r is the radius of the large sphere.

small sphere volume,
larger sphere volume,

Think through the ratio and the common factors, the larger sphere is times bigger than the smaller in volume.
RELATED QUESTIONS
Sphere A is similar to Sphere B. The Radius of sphere A is 3 inches, and the radius of a (answered by Alan3354)

The volume of a smaller sphere is 288 cm^3. Find the volume of a sphere who's radius is 3 (answered by Boreal)

How many times larger is the volume of a sphere if radius is multiplied by 5 (answered by ikleyn)

One has a radius of 4 inches and the other has a radius of 8 inches. How many times more (answered by ankor@dixie-net.com)

how many times does the volume of a sphere increases if the radius is 1) double... (answered by Earlsdon)

If the radius of one sphere if 6 times longer than the radius of a second sphere, how... (answered by Alan3354)

If a sphere has radius 5 m. what is the volume of the... (answered by Cromlix)

If a sphere has radius 5 m. what is the volume of the... (answered by rothauserc)

Radius of a sphere is r.how many times does the area increases if radius is... (answered by stanbon)