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# Filling a Cylinder

ACTMAT-Y0LEYE

Ashley needed to pour 128 bags of grain into her cylindrical silo in order to completely fill it from empty.

If each bag of grain contained 1.5 cubic feet of grain and the radius of the silo is 3 feet, approximately how tall is the silo, in feet?

A

$3$

B

$4.5$

C

$6.8$

D

$9.1$

E

$20.4$