Posted by jena on .
Jeremy has a fish tank that has a 40cm by 70cm rectangular
base. The water is 25 cm deep. When he drops rocks
into the tank, the water goes up by 2 cm. What is the volume
in liters of the rocks

math 
PsyDAG,
40 * 70 * 2 = ? cc
Convert to liters.
I hope this helps.