AccelePrep for the ACT Test 2nd Edition Student Text

C HAPTER 5 | H YPER P REP M ATH • 119

POWER PRACTICE 4 DIRECTIONS: Solve each problem and circle your answer. Answers are on p. 309. 1. A map is hanging on the wall of your classroom. You measure the distance between New York City and Los Angeles as 9 2 1 inches. The map’s legend says “1 inch = 250 kilometers.” What is the approximate distance between the two cities in kilometers? 2. Most motor gasoline is a blend of ethanol and gasoline. The blends are categorized as “E” for “ethanol” followed immediately by a two-digit number indicating the percentage of the blend that is ethanol. For example, E85 designates an ethanol-gasoline blend that is 85% ethanol and 15% gasoline. If 12 gallons of an ethanol- gasoline blend contain 3 gallons of ethanol, the blend should be categorized as: F. E3 G. E10 H. E15 Ǥ ʹͷ K. E85 3. For all pairs of real numbers M and N such that M = 4 N – 2, N = A. M 2 B. M 4 2 C. 4( M + 2) D. M 4 2 E. 8 M A. 2,375 B. 2,600 C. 3,450 D. 3,800 E. 6,000

4. Which of the following describes all of the values of x that satisfy the inequality x + 2 > x + 6? F. Zero only G. All positive numbers only H. All non-negative numbers only Ǥ ŽŽ ‡‰ƒ–‹˜‡ —„‡”• ‘Ž› K. There are no values of x that satisfy the inequality. 5. If f x x 3 2 ] g , then f x y _ i A. x y 3 2 2 _ i B. x y 3 2 2 _ i C. x xy y 2 3 2 2 D. x y 9 2 2 E. x y 3 2 _ i 6. Milk is sold by dairy farmers to dairy packing plants by the hundred weight, or 100 pounds of milk, abbreviated cwt, for $18 per cwt. The average dairy cow produces 6 gallons of milk daily, and a gallon of milk weighs approximately 8.6 pounds. If a farmer is milking 90 cows, approximately how much money, in dollars, can the farmer expect to receive for 3 days of milk production?

F. $40 G. $280 H. $800 Ǥ ̈́ͳǡ͸ͲͲ K. $2,500