Oganization struture questions 4 pptx

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 0.032?

a. 0.032

b. 0.0352

c. 0.32

d. 0.352

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. 0.9

(a +

3

b

+ c)

b.

(a +

0

b

.9

+ c)

c. (a + b + c) 0.9

d.

(a + 3

3

b + 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. 22.5

d. 24.75

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 $3.49 each. He uses the expres￾sion (3 $0.99) + (2 $3.49) to calculate how

much the items will cost. Which of the following

expressions could also be used?

a. 3 ($3.49 + $.99) – $3.49

b. 3 ($3.49 + $.99)

c. (2 + 3) ($3.49 + $.99)

d. (2 3) + ($3.49 $.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 +

3

b

+ c)

100. Which of the following would also deter￾mine the average of her scores?

a. (3

a

+ 3

b

+ 3

c

) 100

b.

c. (a + b + c) 1

3

00

d.

(a

3

b

c) + 100

21. What is

2

3

divided by 1

5

2

?

a.

1

5

3

b.

1

1

5

8

c.

1

3

7

6

d.

1

6

5

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

a + b + c

10

3

0

2 4

3

A

C F B E

D

5

–THEA PRACTICE EXAM 3–

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