New SAT Math Workbook

# 2 4 2 9 25 5 answer side of each square 5 perimeter

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Unformatted text preview: (A) 16 (B) 8 (C) 20 (D) 25 (E) 32 14. If 111 + = then c = abc (A) (B) (C) (D) (E) a+b ab a+b ab ab a+b 1 ab 2 100 b a a b b 100 a b a 100 a b 10. In triangle ABC, AB = BC and AC is extended to D. If angle BCD contains 100°, find the number of degrees in angle B. 15. What percent of a is b? (A) (B) (C) (A) (B) (C) (D) (E) 1 2 11. 1 10 8 4 50 80 60 40 20 (D) (E) 16. The average of two numbers is A. If one of the numbers is x, the other number is (A) (B) A–x A −x 2 (A) (B) (C) (D) (E) 2 5 4 9 4 81 3 7 15 23 (C) (D) (E) 2A – x A+ x 2 x–A www.petersons.com Practice Tests 331 17. If a = 5b, then (A) (B) (C) (D) (E) 5b 3 3 a= 5 3b 3b 5 b 3 b 5 22. There is enough food at a picnic to feed 20 adults or 32 children. If there are 15 adults at the picnic, how many children can still be fed? (A) 10 (B) 8 (C) 16 (D) 12 (E) 4 23. In parallelogram ABCD, angle A contains 60°. The sum of angle B and angle D must be (A) 120° (B) 300° (C) 240° (D) 60° (E) 180° 24. The area of circle O is 64π. The perimeter of square ABCD is 18. A rectangular door measures 5 feet by 6 feet 8 inches. The distance from one corner of the door to the diagonally opposite corner is (A) 9'4&quot; (B) 8'4&quot; (C) 8'3&quot; (D) 9'6&quot; (E) 9' 19. Two ships leave from the same port at 11:30 A.M. If one sails due east at 20 miles per hour and the other due south at 15 miles per hour, how many miles apart are the ships at 2:30 P.M.? (A) 25 (B) 50 (C) 75 (D) 80 (E) 35 20. If m men can paint a house in d days, how many days will it take m + 2 men to paint the same house? (A) d + 2 (B) d – 2 (C) (D) (E) m+2 md md m+2 md + 2d m (A) (B) (C) (D) (E) 32 32π 64 16 64π 25. If a train covers 14 miles in 10 minutes, then the rate of the train in miles per hour is (A) 140 (B) 112 (C) 84 (D) 100 (E) 98 21. Ken received grades of 90, 88, and 75 on three tests. What grade must he receive on the next test so that his average for these 4 tests is 85? (A) 87 (B) 92 (C) 83 (D) 85 (E) 88 www.petersons.com 332 Chapte...
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