SOLUTION: the base of a container is a square of side 30 cm. a stone is placed in the container. then water is poured into the container until it is 3/4 full. when the stone is removed, the

Question 965680: the base of a container is a square of side 30 cm. a stone is placed in the container. then water is poured into the container until it is 3/4 full. when the stone is removed, the water level drops to 5/8 of the height of the container. if the volume of the stone is 4500 cubed cm, find the height of the container.
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
When the stone is removed, occupied tank volume changes from 3/4 full to 5/8 full;
when 4500 cm^3 is removed, the tank filled volume changes from 6/8 full to 5/8 full;

When is removed, the was a tank volume change of of the tank's volume.

The tank volume is proportional to its height or tallness.
, using y for the amount of vertical length along the tank for the stone.

, this is centimeters.

That y=5 is of the tank's height.

Finally, if h is the actual tank height

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