Chapter Resources Volume 1: Chapters 1-7
LESSON
Name
Date
2.6 Practice A For use with pages 96–101
1. Describe and correct the error in the solution. 5k 75 5k 75 5 5
k 15 Lesson 2.6
Solve the equation. Check your solution.
2. 3a 21
3. 4y 44
4. 32 16d
5. 120 15b
6. 80 20g
7. 155 31m
f 7
n 11
8. 8
c 12
9. 6 j 5
10. 9 h 24
p 3
11. 13
12. 10
13. 19
14. 8c 2c 70
15. 4(4 p) 64
16. 5 11
z 3
17. During the last basketball season, Tanisha played in 16 games and averaged 18 points per game. Find her total points by using the verbal model below to write and solve an equation. Average points per game
Total points Number of games played
18. A printer prints documents at a rate of 12 pages per minute. A copier copies documents at a rate of 10 pages per minute. a. Write and solve an equation to find the time it takes to print a 24-page research paper. b. Write and solve an equation to find the time it takes to copy a 50-page document. 19. A car travels at a constant rate of 45 miles per hour. Find the amount of time it takes the car to travel 180 miles. 20. The area of the fenced-in yard is 117 square feet. The length of the yard is 13 feet. Find the width of the yard.
w
13 ft
Copyright © Holt McDougal. All rights reserved.
Pre-Algebra Chapter 2 Resource Book
101
Answers
Lesson 2.4 continued Challenge Practice 2. 56
1. 10
Review for Mastery
3. 33
4. 15 5. 2.5 lb 120 7. 30; 4 r
6. 4 x 10; 14
8. 8; 2x must be equal to 16 because 16 3 13 and 2 p 8 16. x 9. 4; must be equal to 1 because 1 2 3 4 4 and 1. 4
Lesson 2.5
4. 10
1. 35
2. 7
3. 4
7. 13
8. 4
9. 2
12. 30
13. $48
10. 1
5. 15
6. 6
11. 13
14. 29 km
Challenge Practice 1. 573
2. –293
6. 5 cm
7. $15
3. 15
4. 2
5. 5 in.
8. 1.5 h; 6:00 P.M.
9. x 7 46
Lesson 2.6 Practice A
Practice A
2. 2
1. 2
6. 16
3. 11 8. 15
7. 12
11. 16
12. 15
5. 10
4. 3
9. 14
13. 40
10. 21
14. 14
15. 27
16. p 40 100; $140 17. p 310 5614; 5304 people 19. 8
20. 5
21. 12
22. 4
18. 0 23. 19
24. 47 x 18 15; 14 in.
Practice B 2. 17
6. 19
7. 17
12. 41
13. 3
3. 8 8. 25
5. 29
4. 8
9. 42
14. 36
10. 2
11. 7
15. 25
16. a 3 15; 18 years old 17. p 0.8 1.7; $2.50 23. 9
22. 16
26. 7 cm
24. 25
11. 29
4. 9
7. 45
8. 8
9. 64
13. 77
2. 19
7. 99
8. 160
b. 14 years old
18. 175 points
19. 31 ft
22. 38 y 7
3. 22
4. 8
9. 704
12. 324
5. 6
6. 40
10. 294 14. 9
13. 7
18. 33 miles per gallon
15. 84
17. about 2.7 hours
b. 12 inches
Practice C
5. 27 10. 13
14. 58
16. a. x 20 21. 12 m
1. 14
19. a. A 9x
3. 4
12. 17
Practice B
16. 64 4t; 16 teams
b. 74 days
2. 21
6. 21
20. 9 ft
25. 29 in.
Practice C 1. 92
19. 4 hours
20. 0
19. 6
27. 16 ft
28. a. 120,000 gallons
75 5k 5 5
k 15 2. 7 3. 11 4. 2 5. 8 6. 4 7. 5 8. 56 9. 66 10. 108 11. 65 12. 240 13. 57 14. 7 15. 4 16. 18
11. 180
18. 160 p 23; 137 players 21. 9
5k 75
t 17. 18 ; 288 points 18. a. 24 12t; 16 2 minutes b. 50 10t; 5 minutes
25. 40 8 15 x; 17 cm
1. 12
1. Divide both sides by 5:
15. 41
1. 22 6. 1566
2. 12 7. 32
3. 81 8. 12
4. 744
5. 768
9. 14
10. 210 11. 75 12. 7 13. a. A 27.5x b. 24 feet 14. $90 15. a. 150x
17. $7.50
20. 43 cm 23. 39 b 12
24. $38
A14
Pre-Algebra Chapter 2 Resource Book
Copyright © Holt McDougal. All rights reserved.
Name
Date
2.6 Practice A For use with pages 96–101
1. Describe and correct the error in the solution. 5k 75 5k 75 5 5
k 15 Lesson 2.6
Solve the equation. Check your solution.
2. 3a 21
3. 4y 44
4. 32 16d
5. 120 15b
6. 80 20g
7. 155 31m
f 7
n 11
8. 8
c 12
9. 6 j 5
10. 9 h 24
p 3
11. 13
12. 10
13. 19
14. 8c 2c 70
15. 4(4 p) 64
16. 5 11
z 3
17. During the last basketball season, Tanisha played in 16 games and averaged 18 points per game. Find her total points by using the verbal model below to write and solve an equation. Average points per game
Total points Number of games played
18. A printer prints documents at a rate of 12 pages per minute. A copier copies documents at a rate of 10 pages per minute. a. Write and solve an equation to find the time it takes to print a 24-page research paper. b. Write and solve an equation to find the time it takes to copy a 50-page document. 19. A car travels at a constant rate of 45 miles per hour. Find the amount of time it takes the car to travel 180 miles. 20. The area of the fenced-in yard is 117 square feet. The length of the yard is 13 feet. Find the width of the yard.
w
13 ft
Copyright © Holt McDougal. All rights reserved.
Pre-Algebra Chapter 2 Resource Book
101
Answers
Lesson 2.4 continued Challenge Practice 2. 56
1. 10
Review for Mastery
3. 33
4. 15 5. 2.5 lb 120 7. 30; 4 r
6. 4 x 10; 14
8. 8; 2x must be equal to 16 because 16 3 13 and 2 p 8 16. x 9. 4; must be equal to 1 because 1 2 3 4 4 and 1. 4
Lesson 2.5
4. 10
1. 35
2. 7
3. 4
7. 13
8. 4
9. 2
12. 30
13. $48
10. 1
5. 15
6. 6
11. 13
14. 29 km
Challenge Practice 1. 573
2. –293
6. 5 cm
7. $15
3. 15
4. 2
5. 5 in.
8. 1.5 h; 6:00 P.M.
9. x 7 46
Lesson 2.6 Practice A
Practice A
2. 2
1. 2
6. 16
3. 11 8. 15
7. 12
11. 16
12. 15
5. 10
4. 3
9. 14
13. 40
10. 21
14. 14
15. 27
16. p 40 100; $140 17. p 310 5614; 5304 people 19. 8
20. 5
21. 12
22. 4
18. 0 23. 19
24. 47 x 18 15; 14 in.
Practice B 2. 17
6. 19
7. 17
12. 41
13. 3
3. 8 8. 25
5. 29
4. 8
9. 42
14. 36
10. 2
11. 7
15. 25
16. a 3 15; 18 years old 17. p 0.8 1.7; $2.50 23. 9
22. 16
26. 7 cm
24. 25
11. 29
4. 9
7. 45
8. 8
9. 64
13. 77
2. 19
7. 99
8. 160
b. 14 years old
18. 175 points
19. 31 ft
22. 38 y 7
3. 22
4. 8
9. 704
12. 324
5. 6
6. 40
10. 294 14. 9
13. 7
18. 33 miles per gallon
15. 84
17. about 2.7 hours
b. 12 inches
Practice C
5. 27 10. 13
14. 58
16. a. x 20 21. 12 m
1. 14
19. a. A 9x
3. 4
12. 17
Practice B
16. 64 4t; 16 teams
b. 74 days
2. 21
6. 21
20. 9 ft
25. 29 in.
Practice C 1. 92
19. 4 hours
20. 0
19. 6
27. 16 ft
28. a. 120,000 gallons
75 5k 5 5
k 15 2. 7 3. 11 4. 2 5. 8 6. 4 7. 5 8. 56 9. 66 10. 108 11. 65 12. 240 13. 57 14. 7 15. 4 16. 18
11. 180
18. 160 p 23; 137 players 21. 9
5k 75
t 17. 18 ; 288 points 18. a. 24 12t; 16 2 minutes b. 50 10t; 5 minutes
25. 40 8 15 x; 17 cm
1. 12
1. Divide both sides by 5:
15. 41
1. 22 6. 1566
2. 12 7. 32
3. 81 8. 12
4. 744
5. 768
9. 14
10. 210 11. 75 12. 7 13. a. A 27.5x b. 24 feet 14. $90 15. a. 150x
17. $7.50
20. 43 cm 23. 39 b 12
24. $38
A14
Pre-Algebra Chapter 2 Resource Book
Copyright © Holt McDougal. All rights reserved.
