Chapter 6.6, Problem 12P

Susan has a 5-pound bag of flour and an old recipe of her grandmother's calling for 1 kilogram of flour. She reads on the bag of flour that it weighs 2.26 kilograms. She also reads on the bag of flour that I serving of flour is about $\frac{1}{4}$ cup and that there are about 78 servings in the bag of flour.

1. Based on the information given, how many cups of flour should Susan use in her grandmother's recipe? Solve this problem, and explain how you use the definitions of multiplication and division in solving it.

How can Susan measure this amount of flour as precisely as possible if she has the following measuring containers available: 1 cup, $\frac{1}{2}$ cup, $\frac{1}{3}$ cup, $\frac{1}{4}$ cup measures, 1 tablespoon? Remember that 1 cup = 16 tablespoons.