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2nd Quarter Review #9 7th Grade Math 1) John took his family 2) Simplify. out to dinner. The cost of 2 2 the dinner was $42.50. A. 7 9 ______ John would like to leave a 20% tip. Which expression would 6 calculate the amount of 4 ____ B. tip John should leave? 13 A. 42.50 (0.80) B. 42.50 (0.20) C. 42.50 (1.20) C. 7 3 1 3 _______ 4 2 3) Courtney bought 3 packages of peanuts. Each package weighed 2 3 4 pounds. When she got home, Courtney divided the peanuts into Name: _________________ 4) The value of an investment increased from $750 to $795. What was the percent of increase in the investment? 5) The rectangle below has a length of 25 units and a perimeter of 140 units. Find the width of the rectangle. 1 pound bags. How 4 x many bags did Courtney make? 25 Width: ____________ 6) 3 1 1 5 2 7) Martin sells used cars. He earns $12.50 per hour, plus 3% commission on any cars he sells. On Monday, he worked 6.5 hours and sold a car for $9,000. How much money did Martin earn on Monday? 8) A. Solve. 3 x 8 25 _____ 4 9) The length of a rectangular piece of cardboard is width is B. 2( w 3) 7 9 _______ C. g g g 30 g _______ 9 meters. If its 5 2 of its length, 3 what is the width of the cardboard? 10) Albert has $16 in savings at the beginning of a month. He then decides to save $8 every week. Which inequality represents the solution that describes how many weeks (w) it will take Albert to accumulate at least $120? A. B. C. D. w7 w7 w 13 w 13 11) A boy 6ft. tall casts a shadow 10 ft. long. Find the height of a flag pole that casts a shadow 85 ft. long. 12) Jamal runs for a track team. He ran 2 1 miles 10 1 in of an hour. How far 3 13) Which expression is equivalent to: 14) Change into a decimal. 1 3 (6 x 9) x 2 2 6 24 did he run in one hour? 16) Graph and connect the following points, then find the area of the shape. ( -3, 0), ( 3, 0), (0, 3). A. 4 and 2 A. 5x 3 B. 6 and 2 B. 2 x 7.5 C. 6 and 6 C. 4x 3 D. 2 and 4 D. 4 x 6 17) The cost of pencils at 18) Mike bought 4.5 the school store is shown in pounds of bananas for the table below. What is $5.40. What is the price per the cost of one pencil? pound for the bananas? # of Pencils 3 4 5 19) Simplify each expression. 20) Find the perimeter and area of the rectangle below. A. 4m 10x 7 x 20m _____ 5m – 6 Cost $0.66 $0.88 $1.10 B. 3 p 2 12 p 8 p 2 5 16 p ______ C. Area = _____________ 15) Which two integers are 4 units away from the number -2 on a number line? 1 7 w 3w 6 ______ D. 6(8k 9) 13 __________ 3 a). Perimeter = _________ b). Area = _____________