Tham khảo tài liệu 'oganization struture questions 4', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | THEA PRACTICE EXAM 3 15. What is the perimeter of a pentagon with three sides of 3 inches and the remaining sides 5 inches long a. 19 inches b. 14 inches c. 12 inches d. 9 inches 16. What is the result of multiplying 11 by a. b. c. d. 17. If a school buys three computers at a b and c dollars each and the school gets a discount of 90 which expression would determine the average price paid by the school a. X a b c b a b c c. a b c X d a 3b c Question 18 is based on the following diagram. 18. If the two triangles in the diagram are similar with angle A equal to angle D what is the perimeter of triangle DEF a. 12 b. 21 c. d. 19. Roger wants to know if he has enough money to purchase several items. He needs three heads of lettuce which cost .99 each and two boxes of cereal which cost each. He uses the expression 3 X 2 X to calculate how much the items will cost. Which of the following expressions could also be used a. 3 X .99 - b. 3 X .99 c. 2 3 X .99 d. 2 X 3 X .99 20. Rosa finds the average of her three most recent golf scores by using the following expression where a b and c are the three scores a b c X 100. Which of the following would also determine the average of her scores a. 3 -3- ff X 100 b a b c 3 c. a b c X -100 d. a X b X c 100 21. What is 3 divided by jf a a. 5 15 b. 18 c c. 36 15 d. 6 22. A 15-serving recipe of a casserole must be increased by 20 . What is the new serving size a. 17 servings b. 18 servings c. 20 servings d. 30 servings 255 THEA PRACTICE EXAM 3 23. City High School basketball coach Donna Green 25. Of the 1 125 teachers in a study of bilingual edu- earns 26 000 a year. If she receives a salary cation 135 speak fluent Spanish. What percent- increase how much will she earn age of the group of teachers in the study speaks a. 26 110 fluent Spanish b. 26 450 a. 12 c. 27 170 b. d. 27 260 c. d. 24. In the Pinebrook school district last year 220
