Page 456 - Basic College Mathematics with Early Integers

CHAPTER 5 REVIEW 433

81. How many quarts are contained in a 3-liter bottle of 82. A compact disc is 1.2 mm thick. Find the height
cola? (in inches) of 50 discs.

Mixed Review

Write each ratio as a fraction in simplest form.

83. 15 to 25 84. 6 pints to 48 pints

Write each rate as a fraction in simplest form.

85. 2 teachers for 18 students 86. 6 nurses for 24 patients

Write each rate as a unit rate.

87. 136 miles in 4 hours 88. 12 gallons of milk from 6 cows

Find each unit price and decide which is the better buy. Round to 3 decimal places.Assume that we are comparing
different sizes of the same brand.

89. cold medicine: 90. juice:
$4.94 for 4 oz, 12 oz for $0.65,
$9.98 for 8 oz 64 oz for $2.98

Write each sentence as a proportion.

91. 2 cups of cookie dough is to 30 cookies as 4 cups of 92. 5 nickels is to 3 dollars as 20 nickels is to 12 dollars
cookie dough is to 60 cookies

Find the unknown number n in each proportion.

3 15 5 n
93. = 94. =
n 8 4 20

Convert the following.

95. 2.5 mi to feet 96. 129 in. to feet 97. 8200 lb = _____ tons _____ lb

98. 5 m to centimeters 99. 1400 mg to grams 100. 286 mm to kilometers

Perform the indicated operations and simplify.

101. 9.3 km - 183 m 102. 6 gal 1 qt + 2 gal 1 qt