SAT Math Practice Question #33670 - SATify | SATify

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SAT Math Practice Question #33670 - SATify | SATify

#33670

volume

spheres

geometry

hard

90 sec

Sphere A has a radius of $r$ . Sphere B has a radius of $3 r$ . What is the ratio of the volume of Sphere A to the volume of Sphere B?

A.

1:3

B.

1:9

C.

1:27

D.

1:81