Page 432 - Basic College Mathematics with Early Integers

S E C T I O N 5.5 I WEIGHT AND MASS: U.S. AND METRIC SYSTEMS OF MEASUREMENT 409

85. Three milligrams of preservatives are added to a 86. One box of Swiss Miss Cocoa Mix weighs 0.385 kg,
0.5-kg box of dried fruit. How many milligrams of but 39 grams of this weight is the packaging. Find the
preservatives are in 3 cartons of dried fruit if each actual weight of the cocoa in 8 boxes.
carton contains 16 boxes?

87. A carton of 12 boxes of Quaker Oats Oatmeal weighs 88. The supermarket prepares hamburger in 85-gram
6.432 kg. Each box includes 26 grams of packaging market packages.When Leo Gonzalas gets home, he
material.What is the actual weight of the oatmeal in divides the package in half before refrigerating the
the carton? meat. How much will each package weigh?

89. The Shop ’n Bag supermarket chain ships hamburger 90. The Quaker Oats Company ships its 1-lb 2-oz boxes
meat by placing 10 packages of hamburger in a box, of oatmeal in cartons containing 12 boxes of oatmeal.
with each package weighing 3 lb 4 oz. How much will How much will 3 such cartons weigh?
4 boxes of hamburger weigh?
91. A carton of Del Monte Pineapple weighs 55 lb 4 oz, 92. The Hormel Corporation ships cartons of canned
but 2 lb 8 oz of this weight is due to packaging. Find ham weighing 43 lb 2 oz each. Of this weight, 3 lb 4 oz
the actual weight of the pineapple in 4 cartons. is due to packaging. Find the actual weight of the ham
found in 3 cartons.

Review

Write each fraction as a decimal. See Section 4.5.

4 3 7 3
93. 94. 95. 96.
25 5 8 16

Concept Extensions

Determine whether the measurement in each statement is reasonable.

97. The doctor prescribed a pill containing 2 kg of 98. A full-grown cat weighs approximately 15 g.
medication.
99. A bag of flour weighs 4.5 kg. 100. A staple weighs 15 mg.

101. A professor weighs less than 150 g. 102. A car weighs 2000 mg.

103. Use a unit other than centigram and write a mass 104. Use a unit other than pound and write a weight that
that is equivalent to 25 centigrams. (Hint: There are is equivalent to 4000 pounds. (Hint: There are many
many possibilities.) possibilities.)

True or false? See the second Concept Check in this section.
105. A kilogram is larger than a gram. 106. A decigram is larger than a milligram.

107. Why is the decimal point moved to the right when 108. To change 8 pounds to ounces, multiply by 16.Why
grams are converted to milligrams? is this the correct procedure?