A grain silo is approximately 85% full. A 55 lb sack of grain measures 2 cubic feet.

What is the best estimate of the number of bags of grain that can be filled using all the grain in the silo?
A
1708 bags

B
2010 bags

C
6833 bags

D
8038 bags

Option A . 1708 bags

Step-by-step explanation:

The picture of the question in the attached figure

step 1

Find the volume of the silo

The volume of the silo is equal to the volume of a cylinder plus the volume of a cone

so

we have

---> the radius is half the diameter

substitute

Remember that

The silo is approximately 85% full

so

The volume of grain in the silo is

step 2

Find the number of bags of grain

Divide the volume of grain in the silo by the volume of one sack

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step-by-step explanation:

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d