1. 7x 4. 2x 7. 6x 10. 2x 13. 7
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LESSON
NAME _________________________________________________________ DATE ___________
6.3
Practice B For use with pages 336–341
Solve the inequality. 1. 7x 30 < 19
2. 7 4x < 13
3. 3x 1 > 1
4. 2x 5 ≤ 9
5. 3x 5 < 16
6. 4x 7 ≥ 15
7. 6x 1 ≤ 2
8. 2x 3 < 6x 1
9. 3x 2 ≥ 7x 10
11. 6x 3 ≤ 3x 2
10. 2x 14 > 4x 4
2 3x
13. 7 3x ≥ x 9
14.
8 > 4
16. 7x 2 ≤ 3x 2
17. 7 5x > 9 4x
12. 2x 4 > 6x 4 15. 12 ≤
3 5x
18
18. 3x 4 ≤ 2x 4
School Enrollment In Exercises 19–20, use the following information. In 1990 the enrollment at East Valley High School was 840. From 1990 through 1996 the enrollment increased at an average rate of 24 students per year. 19. Write a linear model for the enrollment at East Valley High School. Let x represent the
number of years since 1990. 20. East Valley was built to hold 900 students. Write a linear inequality that represents the
possible number of years since 1990 when the school’s enrollment was less than the maximum capacity for which the school was built. Solve the inequality. 21. Water Park
A water park charges $12 for admission and $5 to park your vehicle. Write an inequality that represents the possible number of people that could go for $50. Solve the inequality. What is the maximum number of people that could go?
22. Midway Games
23. Chicken or Pork?
24. Geometry Connection
Solve. x
5m
Area 45 m2
Copyright © McDougal Littell Inc. All rights reserved.
Write an inequality for the values of x.
Chicken or Pork Consumption (pounds)
From 1960 to 1990, the average annual U.S. consumption of pork dropped from 62 pounds to 52 pounds. The average annual consumption of chicken rose from 31 pounds to 66 pounds. For which years did the U. S. consumption of chicken exceed the consumption of pork?
y 70 60 50 40 30 20 10 0
Chicken
Pork
0 5 10 15 20 25 30 35 x Years since 1960
Algebra 1 Chapter 6 Resource Book
39
Lesson 6.3
You want to go to the state fair and try your luck playing the games on the midway. The entrance fee is $5 and the games are each $1.50. Write an inequality that represents the possible number of games you can play if you have $25. Solve the inequality. What is the maximum number of games you can play?
NAME _________________________________________________________ DATE ___________
6.3
Practice B For use with pages 336–341
Solve the inequality. 1. 7x 30 < 19
2. 7 4x < 13
3. 3x 1 > 1
4. 2x 5 ≤ 9
5. 3x 5 < 16
6. 4x 7 ≥ 15
7. 6x 1 ≤ 2
8. 2x 3 < 6x 1
9. 3x 2 ≥ 7x 10
11. 6x 3 ≤ 3x 2
10. 2x 14 > 4x 4
2 3x
13. 7 3x ≥ x 9
14.
8 > 4
16. 7x 2 ≤ 3x 2
17. 7 5x > 9 4x
12. 2x 4 > 6x 4 15. 12 ≤
3 5x
18
18. 3x 4 ≤ 2x 4
School Enrollment In Exercises 19–20, use the following information. In 1990 the enrollment at East Valley High School was 840. From 1990 through 1996 the enrollment increased at an average rate of 24 students per year. 19. Write a linear model for the enrollment at East Valley High School. Let x represent the
number of years since 1990. 20. East Valley was built to hold 900 students. Write a linear inequality that represents the
possible number of years since 1990 when the school’s enrollment was less than the maximum capacity for which the school was built. Solve the inequality. 21. Water Park
A water park charges $12 for admission and $5 to park your vehicle. Write an inequality that represents the possible number of people that could go for $50. Solve the inequality. What is the maximum number of people that could go?
22. Midway Games
23. Chicken or Pork?
24. Geometry Connection
Solve. x
5m
Area 45 m2
Copyright © McDougal Littell Inc. All rights reserved.
Write an inequality for the values of x.
Chicken or Pork Consumption (pounds)
From 1960 to 1990, the average annual U.S. consumption of pork dropped from 62 pounds to 52 pounds. The average annual consumption of chicken rose from 31 pounds to 66 pounds. For which years did the U. S. consumption of chicken exceed the consumption of pork?
y 70 60 50 40 30 20 10 0
Chicken
Pork
0 5 10 15 20 25 30 35 x Years since 1960
Algebra 1 Chapter 6 Resource Book
39
Lesson 6.3
You want to go to the state fair and try your luck playing the games on the midway. The entrance fee is $5 and the games are each $1.50. Write an inequality that represents the possible number of games you can play if you have $25. Solve the inequality. What is the maximum number of games you can play?
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