1. How many feet of fencing are needed to completely enclose a square plot of land with sides of length 8 feet?

2. Chrysler part #870698 is 8 1/4 in. long. The newest model year replaces that part with one that is 5 2/3 in. long. How much smaller is the newer part design?

3. 8062 parts require 13.9 oz of paint. How many parts can be covered with 1 oz. of paint?

4. The Ratio of regrind to virgin material is 2 : 28.5. How much virgin should be mixed with 15 Ibs of regrind?

Any help would be appreciated.