1. A small statue is recovered in an archaeological dig. Its weight is measured to be1.4lb and its volume0.04ft³.

a. What is the statue's weight density?

b. What substance is it, most likely? silver/juniper wood/iron/brass/diamond

2. A certain part of an aircraft engine has a volume of1.1ft³.

a. Find the weight of the piece when it is made ofbrass.

b. If the same piece is made of aluminum, what is its weight?

c. Determine how much weight is saved by using aluminum instead ofbrass.