NAME DATE PERIOD Lesson 7 Skills Practice - Weebly

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Lesson 7 Skills Practice

Constant Rate of Change

Find the constant rate of change for each table.

1. Time Spent Money Earned 2. Time

Mowing (h)

($)

1

10

9:00

3

30

10:00

5

50

11:00

7

70

12:00

Temperature (?F) 60 62 64 66

$10 per hour

2?F per hour

3. Number of Students 10 15 20 25

Number of Magazines Sold

100 150 200 250

10 magazines per student

4. Number of Trees 5 10 15 20

Number of Apples 100 200 300 400

20 apples per tree

Find the constant rate of change for each graph.

5.

Temperature Change

6.

Meat Consumption

Temperature (?F ) Pound of Meat

85 80 75 70 65 60 55 50

0 12345678 Hours

-5?F per hour

16 14 12 10

8 6 4 2

0 12345678 Number of People

3 lb per person

Copyright ? The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.

16

Course 2 ? Chapter 1 Ratios and Proportional Reasoning

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