#### Answer

36 oz

#### Work Step by Step

21/4 lb to ounces
Use a unit fraction with ounces (the unit for your answer) in the numerator, and pounds (the unit being changed) in the denominator. Because16 ounces (oz) = 1 pound (lb), the necessary unit fraction is
(16 oz)/(1 lb)
Multiply 21/4 lb times the unit fraction.
9/4* (16 oz)/(1 lb) = 36 oz