need help with college algebra...must show work...?

Question

When you buy a 16 oz. bad of chips, you expect to get precisely 16 ounces. the actual wieght W(in ounces) of a 16 oz bag of chips is given by Iw-16I< or equal to 1/2. You buy four 16 oz bags. What is the greatest amount you can expect to get? What is the smallest amount? Explain.

Answer 1

| 16.5 - 16 | = .5
16.5 x 4 = 84 oz. Greatest amount

| 15.5 - 16 | = .5
15.5 x 4 = 62 oz. Smallest amount