SOLUTION: A rectangle tank with a square base is 1/4 full of water. The side length of the square base is 20 inches. When another 3000 cubic inches of water is poured into the tank, it becom

Question 963390: A rectangle tank with a square base is 1/4 full of water. The side length of the square base is 20 inches. When another 3000 cubic inches of water is poured into the tank, it becomes 2/3 full. What is the capacity of the tank.
Found 2 solutions by macston, josgarithmetic:
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
3000 cu in of water changed the volume from 1/4 to 2/3 so:
2/3-1/4=8/12-3/12=5/12=3000 cu in
If 3000 cu in is 5/12, capacity is (3000 cu in)/(5/12)=7200 cu in.
ANSWER: The capacity of the tank is 7200 cubic inches.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
3000 cubic inches of volume is of tank volume.

, using L for the length portion that corresponds to the 3000 inch^3 difference. The length along the rectangular tank directly corresponds to volume.

L is of the whole length of the rectangular tank.

, inches.

With no further explanation,

, tank capacity
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