Name:    Quiz 2-4: Dividing Numbers

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

1.

Find:
 a. c. b. d.

2.

Due to melting snow and heavy rains, a river’s flow reached a high of 40,500 cubic feet per second before decreasing. Five months later, the river flowed at 5700 cubic feet per second. What was the average change in river flow for each month?
 a. –6960 cubic feet per second c. –9240 cubic feet per second b. 6960 cubic feet per second d. –34,800 cubic feet per second

3.

The table shows the amount of merchandise sold by a store.What was the average change in the number of digital cameras sold in each of the five years from 1995 to 2000?

 Type of Merchandise 1995 2000 35 mm cameras 1534 1753 digital cameras 152 1197 camcorders 439 515
 a. 269.8 digital cameras c. –209 digital cameras b. 239.4 digital cameras d. 209 digital cameras

4.

Assume that the table shows the number of acres in a rural county planted in orchards. What is the average change in acres of pear orchards for the eight years from 1992 to 2000?

 Type of Orchard 1992 2000 Apple 5258 4890 Pear 6865 5921 Cherry 2823 3035
 a. –118 acres c. –46 acres b. –944 acres d. –1598.25 acres

5.

The stock of a certain company was valued at 54 points. Twelve months later, the same stock was valued at 30 points. What was the average change in the value of the stock for each of the last twelve months?
 a. -2 points c. -4.5 points b. -7 points d. -2.5 points

6.

The strip of land between a cliff and a coastal highway is shrinking due to erosion. Suppose that the land between the cliff and the highway in one section shrank from a width of 66 feet to a width of 48 feet over a period of six years. What was the average change in width of the land between the cliff and the highway for each year?
 a. -19 ft c. 3 ft b. -3 ft d. 19 ft

7.

Find the quotient.
 a. 0.13 c. 1.3 b. d. 1.13

8.

Find the quotient.
 a. c. b. d.

9.

Find the quotient.
 a. c. b. d.

10.

Simplify.
 a. 1 + 7x c. 1 + 14x b. 8x d. 2 + 7x

11.

Find 18 (-).
 a. -27 c. -12 b. 27 d. 12

12.

Simplify .
 a. 3x + 2 c. -x + 2 b. -3x + 2 d. x - 2

13.

Divide:

14.

Due to melting snow and heavy rains, a river’s flow reached a high of 35,600 cubic feet per second before decreasing. Six months later, the river flowed at 4700 cubic feet per second. What was the average change in river flow for each month?

15.

The table shows the amount of merchandise sold by a store.What was the average change in the number of digital cameras sold in each of the five years from 1995 to 2000?

 Type of Merchandise 1995 2000 35 mm cameras 1273 1435 digital cameras 212 1082 camcorders 388 527

16.

Assume that the table shows the number of acres in a rural county planted in orchards. What is the average change in acres of apple orchards for the eight years from 1992 to 2000?

 Type of Orchard 1992 2000 Apple 6228 5796 Pear 6524 5988 Cherry 3060 3478

17.

The stock of a certain company was valued at 34 points. Twelve months later, the same stock was valued at 22 points. What was the average change in the value of the stock for each of the last twelve months?

18.

The strip of land between a cliff and a coastal highway is shrinking due to erosion. Suppose that the land between the cliff and the highway in one section shrank from a width of 59 feet to a width of 31 feet over a period of seven years. What was the average change in width of the land between the cliff and the highway for each year?

19.

Find the quotient.