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Section 3.4

Chapter 3. Section 3.4. Exercise #5. +. =. =. 1. =. 3. Add. +. =. Chapter 3. Section 3.4. Exercise #11. +. +. =. =. =. Add. +. +. +. +. Chapter 3. Section 3.4. Exercise #17. –. =. =. Subtract. –. =. –. =. Chapter 3. Section 3.4. Exercise #19. –. =. =.

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Section 3.4

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  1. Chapter 3 Section 3.4 Exercise #5

  2. + = = 1 = 3 Add. + =

  3. Chapter 3 Section 3.4 Exercise #11

  4. + + = = = Add. + + + +

  5. Chapter 3 Section 3.4 Exercise #17

  6. – = = Subtract. – = – =

  7. Chapter 3 Section 3.4 Exercise #19

  8. – = = Subtract. – = – =

  9. Chapter 3 Section 3.4 Exercise #21

  10. – 5 = Subtract. – = =

  11. Chapter 3 Section 3.4 Exercise #29

  12. Franklin worked hours (h) on Monday, h on Wednesday and h on Friday. What was the total number of hours that he worked? h h h + + h h h + +

  13. Franklin worked hours (h) on Monday, h on Wednesday and h on Friday. What was the total number of hours that he worked. h h h + + h h h h + + = = 1 h = 2 h

  14. Chapter 3 Section 3.4 Exercise #35

  15. A stock was listed at points on Monday. By closing time Friday, it was at . How much did it drop during the week? – –

  16. – – = = The stock dropped points. A stock was listed at points on Monday. By closing time Friday, it was at . How much did it drop during the week?

  17. Chapter 3 Section 3.4 Exercise #43

  18. + + A construction company has bids for paving roads of , , and miles (mi) for the month of July. With their present equipment, they can pave 8 mi in 1 month. How much more work can they take on in July? – 8 mi mi

  19. – 8 mi mi + + A construction company has bids for paving roads of , , and miles (mi) for the month of July. With their present equipment, they can pave 8 mi in 1 month. How much more work can they take on in July?

  20. – 8 mi mi + + A construction company has bids for paving roads of , , and miles (mi) for the month of July. With their present equipment, they can pave 8 mi in 1 month. How much more work can they take on in July?

  21. – mi mi mi = = A construction company has bids for paving roads of , , and miles (mi) for the month of July. With their present equipment, they can pave 8 mi in 1 month. How much more work can they take on in July? 8 mi

  22. Chapter 3 Section 3.4 Exercise #45

  23. A runner has told herself that she will run 20 mi each week. She runs mi on Sunday, mi on Tuesday, mi on Wednesday, and mi on Friday. How far must she run on Saturday to meet her goal? mi + + + – 20 mi mi – 20 mi + + +

  24. A runner has told herself that she will run 20 mi each week. She runs mi on Sunday, mi on Tuesday, mi on Wednesday, and mi on Friday. How far must she run on Saturday to meet her goal? – mi 20 mi + + + – 20 mi mi + + +

  25. A runner has told herself that she will run 20 mi each week. She runs mi on Sunday, mi on Tuesday, mi on Wednesday, and mi on Friday. How far must she run on Saturday to meet her goal? – mi mi 20 mi + + + mi mi mi = = – 20 mi

  26. Chapter 3 Section 3.4 Exercise #47

  27. = If paper takes up of the space in a landfill and organic waste takes up of the space, how much of the landfill is used for other materials? – – – – 1 =

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