1. Section 8.4 Chapter 8 Systems of Linear Equations in Two Variables
Let’s work Exercise #19 from Section 5.1

2. Section 8.4 Exercise #13 Chapter 8
Systems of Linear Equations in Two Variables
Section 8.4 Exercise #13
Let’s work Exercise #19 from Section 5.1

3. Set up a system of linear equations in two variables, and solve for the unknown quantities.
Let’s work Exercise #19 from Section 5.1

4. 10% Account 7% Account Total Principal invested Interest earned
Let’s work Exercise #19 from Section 5.1

5. 10% Account 7% Account Total Principal invested Interest earned
Let’s work Exercise #19 from Section 5.1

6. 10% Account 7% Account Total Principal invested Interest earned
Let’s work Exercise #19 from Section 5.1

7. 10% Account 7% Account Total Principal invested Interest earned
Let’s work Exercise #19 from Section 5.1

8. 10% Account 7% Account Total Principal invested Interest earned
Let’s work Exercise #19 from Section 5.1

9. 10% Account 7% Account Total Principal invested Interest earned
Let’s work Exercise #19 from Section 5.1

10. 10% Account 7% Account Total Principal invested Interest earned
Let’s work Exercise #19 from Section 5.1

11. 10% Account 7% Account Total Principal invested Interest earned
Let’s work Exercise #19 from Section 5.1

12. 10% Account 7% Account Total Principal invested Interest earned
Let’s work Exercise #19 from Section 5.1

13. 10% Account 7% Account Total Principal invested Interest earned
Let’s work Exercise #19 from Section 5.1

14. Section 8.4 Exercise #19 Chapter 8
Systems of Linear Equations in Two Variables
Section 8.4 Exercise #19
Let’s work Exercise #19 from Section 5.1

15. Set up a system of linear equations in two variables, and solve for the unknown quantities.
Let’s work Exercise #19 from Section 5.1

16. Amount of disinfectant
50% Mixture
40% Mixture
46% Mixture
Amount of solution
Amount of disinfectant
Let’s work Exercise #19 from Section 5.1

17. Amount of disinfectant
50% Mixture
40% Mixture
46% Mixture
Amount of solution
Amount of disinfectant
Let’s work Exercise #19 from Section 5.1

18. Amount of disinfectant
50% Mixture
40% Mixture
46% Mixture
Amount of solution
Amount of disinfectant
Let’s work Exercise #19 from Section 5.1

19. Amount of disinfectant
50% Mixture
40% Mixture
46% Mixture
Amount of solution
Amount of disinfectant
Let’s work Exercise #19 from Section 5.1

20. Amount of disinfectant
50% Mixture
40% Mixture
46% Mixture
Amount of solution
Amount of disinfectant
Let’s work Exercise #19 from Section 5.1

21. Amount of disinfectant
50% Mixture
40% Mixture
46% Mixture
Amount of solution
Amount of disinfectant
Let’s work Exercise #19 from Section 5.1

22. Amount of disinfectant
50% Mixture
40% Mixture
46% Mixture
Amount of solution
Amount of disinfectant
Let’s work Exercise #19 from Section 5.1

23. Amount of disinfectant
50% Mixture
40% Mixture
46% Mixture
Amount of solution
Amount of disinfectant
Let’s work Exercise #19 from Section 5.1

24. Amount of disinfectant
50% Mixture
40% Mixture
46% Mixture
Amount of solution
Amount of disinfectant
Let’s work Exercise #19 from Section 5.1

25. Section 8.4 Exercise #23 Chapter 8
Systems of Linear Equations in Two Variables
Section 8.4 Exercise #23
Let’s work Exercise #19 from Section 5.1

26. Set up a system of linear equations in two variables, and solve for the unknown quantities.
Let’s work Exercise #19 from Section 5.1

27. Amount of face cream Amount of moisturizer 18% Moisturizer
Let’s work Exercise #19 from Section 5.1

28. Amount of face cream Amount of moisturizer 22% Moisturizer
Let’s work Exercise #19 from Section 5.1

29. Amount of face cream Amount of moisturizer 22% Moisturizer
Let’s work Exercise #19 from Section 5.1

30. Amount of face cream Amount of moisturizer 22% Moisturizer
Let’s work Exercise #19 from Section 5.1

31. Amount of face cream Amount of moisturizer 22% Moisturizer
Let’s work Exercise #19 from Section 5.1

32. Amount of face cream Amount of moisturizer 22% Moisturizer
Let’s work Exercise #19 from Section 5.1

33. Amount of face cream Amount of moisturizer 18% Moisturizer
Let’s work Exercise #19 from Section 5.1

34. Amount of face cream Amount of moisturizer 18% Moisturizer
Let’s work Exercise #19 from Section 5.1

35. Section 8.4 Exercise #25 Chapter 8
Systems of Linear Equations in Two Variables
Section 8.4 Exercise #25
Let’s work Exercise #19 from Section 5.1

36. Set up a system of linear equations in two variables, and solve for the unknown quantities.
Let’s work Exercise #19 from Section 5.1

37. Distance Rate Time Downstream Return
Let’s work Exercise #19 from Section 5.1

38. Distance Rate Time Downstream Return
Let’s work Exercise #19 from Section 5.1

39. Distance Rate Time Downstream Return
Let’s work Exercise #19 from Section 5.1

40. Distance Rate Time Downstream Return
Let’s work Exercise #19 from Section 5.1

41. Distance
Rate
Time
Downstream
Return
Let’s work Exercise #19 from Section 5.1
The speed of the boat in still water is 6 mph, and the speed of the current is 2 mph.

42. Section 8.4 Exercise #31 Chapter 8
Systems of Linear Equations in Two Variables
Section 8.4 Exercise #31
Let’s work Exercise #19 from Section 5.1

43. Set up a system of linear equations in two variables, and solve for the unknown quantities.
Let’s work Exercise #19 from Section 5.1

44. Dimes Nickels Total Number of coins Value of coins
Let’s work Exercise #19 from Section 5.1

45. Dimes Nickels Total Number of coins Value of coins
Let’s work Exercise #19 from Section 5.1

46. Dimes Nickels Total Number of coins Value of coins
Let’s work Exercise #19 from Section 5.1

47. Dimes Nickels Total Number of coins Value of coins
Let’s work Exercise #19 from Section 5.1

48. Dimes Nickels Total Number of coins Value of coins
Let’s work Exercise #19 from Section 5.1

49. Dimes Nickels Total Number of coins Value of coins
Let’s work Exercise #19 from Section 5.1

50. Debi has 17 dimes and 22 nickels.
Total
Number of coins
Value of coins
Let’s work Exercise #19 from Section 5.1
Debi has 17 dimes and 22 nickels.