46 Chapter 1 Whole Numbers 81. A can of Coke contains 12 fluid ounces (fl oz). 82. A 3-credit-hour class at a college meets 3 hours (hr) Find the number of ounces in a case of Coke per week. If a semester is 16 weeks long, for how many containing 12 cans. hours will the class meet during the semester? 83. PaperWorld shipped 115 cases of copy paper 84. A dietary supplement bar has 14 grams (g) to a business. There are 5 reams of paper in of protein. If Kathleen eats 2 bars a day each case and 500 sheets of paper in each for 6 days, how many grams of protein ream. Find the number of sheets of paper will she get from this supplement? delivered to the business. 85. Tylee’s car gets 31 miles per gallon (mpg) 86. Sherica manages a small business called on the highway. How many miles can Pizza Express. She has 23 employees who he travel if he has a full tank of gas work an average of 32 hr per week. How (12 gal)? many hours of work does Sherica have Concept 6: Area of a Rectangle For Exercises 87–90, find the area. (See Example 10.) 87. 88. 89. 90. 12 ft 23 ft 2 m to schedule each week? 31 m 41 yd 41 yd 73 cm 73 cm 91. The state of Colorado is approximately the 92. A parcel of land has a width of 132 yd and a shape of a rectangle. Its length is 388 mi and length of 149 yd. Approximate the total area its width is 269 mi. Approximate the total by rounding each dimension to the nearest ten. area of Colorado by rounding the length and width to the nearest ten. (See Example 11.) 94. The length of a carport is 51 ft and its width is 29 ft. Approximate the area of the carport. 93. The front of a building has windows that are 44 in. by 58 in. a. Approximate the area of one window. b. If the building has three floors and each floor has 14 windows, how many windows are there? c. What is the approximate total area of all of the windows? 95. Mr. Slackman wants to paint his garage door 96. To carpet a rectangular room, Erika must find that is 8 ft by 16 ft. To decide how much the area of the floor. If the dimensions of the paint to buy, he must find the area of the room are 10 yd by 15 yd, how much carpeting door.What is the area of the door? does she need?
miller_prealgebra_2e_ch1_3
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