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1.     A cube has a side that is 4 cm long. It has a mass of 128 grams.  What is its density?

2.     A rectangle has a length of 3 cm, a width of 2 cm, and height of 1 cm. It has a mass of 120 grams. What is its density?

3.     A cube has a side that is 3 cm long. It has a density of 2 gm/cc. What is its mass?

4.     A rectangle has a length of 5 cm, a width of 4 cm, and a height of 2 cm.  It has a density of 3 gm/cc. Calculate its mass.

5.     A cube has a mass of 128 grams and a density of 2 gm/cc. Find the length of one side.

6.     A rock has a density of 17 gm/cc. If it is cut into 3 equal size pieces, what will be the density of each piece?

ANSWERS

1. 2 gm/cm
2. 20 gm/cm
3. 54 gm (remember, you have to rewrite the equation)
4. 120 gm
5. 4 cm (All the sides of a cube are the same)
6. 17 gm