Question

Alex stores fertilizer for his farm in a rectangular box. The length of the box is 6 feet, width is 3 inches, and height is 9 inches. Each bag of fertilizer contains 0.225 cubic foot of fertilizer. How many bags of fertilizer will fill the box completely?

Answer 1

I think it is five bags

Answer 2

( length * width * height )/0.225
Refer to the attachment from Mathematica.

Answer 3

6 feet = 72 inches
72*3*9 = 1944/0.225

Answer 4

8640 ?? :o

Answer 5

5 bags is what I calculated.

Answer 6

lol yeah im thinking 5 bags too.

Answer 7

because 12^3 = 1728

Answer 8

and i divided
8640/1728 = 5

Answer 9

Notice that in my pdf attachment that the numbers are alll integers or integer fractions. With this approach, the answers are always exact symbolic expressions.