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Section 1.5

Chapter 1. Section 1.5. Exercise #1. 21. =. 21. =. and. Find. by repeated addition. Chapter 1. Section 1.5. Exercise #11. Label the following as true or false. mi. = 24. False. Chapter 1. Section 1.5. Exercise #35. 9. 3. 9. 2. 1. Multiply. 1. 3. 6. 2. 327. 59. 29.

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Section 1.5

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  1. Chapter 1 Section 1.5 Exercise #1

  2. 21 = 21 = and Find by repeated addition.

  3. Chapter 1 Section 1.5 Exercise #11

  4. Label the following as true or false. mi. = 24 False

  5. Chapter 1 Section 1.5 Exercise #35

  6. 9 3 9 2 1 Multiply. 1 3 6 2 327 59 29 3 4 3 16 5

  7. Chapter 1 Section 1.5 Exercise #49

  8. 2 7 4 2 3 6 3 Multiply. 1 2 1 1 2 3 3158 2034 6 2 12 3 4 4 7 9 0000 1 6 6 3

  9. Multiply. 3158 2034 6 2 12 3 4 4 7 9 0000 1 6 6 3 6,423,372

  10. Chapter 1 Section 1.5 Exercise #75

  11. Complete the statement using the Distributive Property.

  12. Chapter 1 Section 1.5 Exercise #79

  13. cars A rectangular parking lot has 14 rows of parking spaces and each row contains 24 spaces. How many cars can be parked in the lot? 1 24 spaces 14 rows 9 6 1 2 4 3 3 6

  14. Chapter 1 Section 1.5 Exercise #89

  15. Erin agrees to buy a boat by paying $2,500 down and $139 a month for 36 months. What is the total cost of the boat? 2 1 2 5 139 36 3 8 4 4 7 1 5 0 0 4

  16. $ Erin agrees to buy a boat by paying $2,500 down and $139 a month for 36 months. What is the total cost of the boat? 2500 down payment 5 0 0 4 total monthly payments 7504

  17. Chapter 1 Section 1.5 Exercise #91

  18. Job Hourly Wage Electrician $27 Plumber $22 Clerk $12 Accountant $18 The table above shows the hourly wages of four different types of jobs at a home remodeling company.

  19. Hours Job Hourly Wage (4) 50 Electrician $27 Plumber $22 Clerk $12 Accountant $18 (2) 21 4 6 Based on the plans for an addition, it is estimated that it will require four electricians each working 50 hours and two plumbers each working 21 hours. In addition, 4 hours of clerical work and 6 hours of accounting are needed. What is the cost of the job?

  20. 50 27 4 Job Hourly Wage Hours (4) 50 Electrician $27 Plumber $22 Clerk $12 Accountant $18 (2) 21 4 6 35 0 10 0 2 1 1350 5 0 0 4

  21. 21 50 27 22 35 10 0 2 1 1350 2 5 0 0 4 Job Hourly Wage Hours (4) 50 Electrician $27 Plumber $22 Clerk $12 Accountant $18 (2) 21 4 6 2 4 0 4 2 1 462 4 2 4 9

  22. 12 21 50 4 22 27 35 10 0 2 1 1350 5 0 0 4 Job Hourly Wage Hours (4) 50 Electrician $27 Plumber $22 Clerk $12 Accountant $18 (2) 21 4 6 2 4 0 4 2 1 462 2 4 8 2 4 4 9

  23. 12 21 50 4 22 27 35 10 0 2 1 1350 18 6 5 0 0 4 Job Hourly Wage Hours (4) 50 Electrician $27 Plumber $22 Clerk $12 Accountant $18 (2) 21 4 6 2 4 0 4 2 1 462 2 4 8 4 8 10 2 4 9

  24. + + + Job Hourly Wage Hours (4) 50 Electrician $27 Plumber $22 Clerk $12 Accountant $18 (2) 21 4 6 What is the cost of the job? 8 4 8 10 2 4 9 5 0 0 4

  25. 5400 924 48 + 108 $ Job Hourly Wage Hours (4) 50 Electrician $27 Plumber $22 Clerk $12 Accountant $18 (2) 21 4 6 What is the cost of the job? 6480

  26. Chapter 1 Section 1.5 Exercise #95

  27. 93 90 48 50 Estimate the product by rounding each factor to the nearest ten. 00 45 0 4500

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