Section 2.4 Multiplication of Fractions and Applications 131 For Exercises 81–84, find the area of the shaded region. (See Example 8.) 81. 82. 83. 84. Concept 4: Applications of Multiplying Fractions 9 m 4 15 m 4 8 m 7 cm 3 2 cm 3 6 cm 8 m 3 m 3 m 8 yd 4 yd 4 yd 85. Ms. Robbin’s car holds 16 gallons (gal) of gas. If 58 the fuel gauge indicates that there is of a tank left, how many gallons of gas are left in the tank? (See Example 9.) 86. Land in a rural part of Bowie County, Texas, sells for $11,000 per acre. If Ms. Anderson purchased acre, how much did it cost? 34 87. Trey has half a pizza left over from dinner. If he 14 eats of this for breakfast, how much pizza did he eat for breakfast? 88. In a certain sample of individuals, are known to have blood type O. Of the individuals with blood type O, are Rh-negative.What fraction of the individuals in the sample have O-negative blood? 14 2 5 89. In planning a luncheon for a conference, Corrine finds out that only of the people invited will be attending. She originally ordered lb of cold cuts. If she prepares only of the order, how many pounds will she prepare? 34 512 3 4 2 3 90. A grocery store received a shipment of 140 lb 38 of beef. It was later determined that of the shipment was contaminated and had to be destroyed. How much of the beef had to be destroyed? 91. One week, Nielsen Media Research reported that a new episode of C.S.I. was the second most watched television show with 9,825,000 total viewers. The following week, a repeat episode was shown, but only of the viewers returned to watch. How many viewers tuned in to watch the repeat episode? 23 34 92. Nancy spends hr 3 times a day walking and playing with her dog.What is the total time she spends walking and playing with the dog each day?
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