1. Applications

2. In physics the focal length f of a lens is given by the formula.

3. In physics the focal length f of a lens is given by the formula.

4. In physics the focal length f of a lens is given by the formula.
In the formula, p is the distance from the object to the lens and

5. In physics the focal length f of a lens is given by the formula.
In the formula, p is the distance from the object to the lens and
object
lens
image p f q

6. In physics the focal length f of a lens is given by the formula.
In the formula, p is the distance from the object to the lens and
q is the distance from the lens to the image.
object
lens
image p f q

7. Find q if p = 20 and f = 10

8. Find q if p = 20 and f = 10

9. Find q if p = 20 and f = 10

10. Find q if p = 20 and f = 10

11. Find q if p = 20 and f = 10

12. Find q if p = 20 and f = 10

13. Find q if p = 20 and f = 10

14. Find q if p = 20 and f = 10

15. Find q if p = 20 and f = 10

16. Find q if p = 20 and f = 10

17. Find q if p = 20 and f = 10

18. Find q if p = 20 and f = 10

19. Find q if p = 20 and f = 10

20. Solve for p.

21. Solve for p.

22. Solve for p.

23. Solve for p.

24. Solve for p.

25. Solve for p.

26. Solve for p.

27. Solve for p.

28. Solve for p.

29. Solve for p.

30. Solve for p.

31. Solve for p.

32. Solve for p.

33. Solve for p.

34. Solve for p.

35. Solve for p.

36. In 2003, 15 of every 100 Americans had no health insurance
In 2003, 15 of every 100 Americans had no health insurance. The population at that time was 288 million. How many million had no health insurance?

37. In 2003, 15 of every 100 Americans had no health insurance
In 2003, 15 of every 100 Americans had no health insurance. The population at that time was 288 million. How many million had no health insurance?

38. In 2003, 15 of every 100 Americans had no health insurance
In 2003, 15 of every 100 Americans had no health insurance. The population at that time was 288 million. How many million had no health insurance?

39. In 2003, 15 of every 100 Americans had no health insurance
In 2003, 15 of every 100 Americans had no health insurance. The population at that time was 288 million. How many million had no health insurance?

40. In 2003, 15 of every 100 Americans had no health insurance
In 2003, 15 of every 100 Americans had no health insurance. The population at that time was 288 million. How many million had no health insurance?

41. In 2003, 15 of every 100 Americans had no health insurance
In 2003, 15 of every 100 Americans had no health insurance. The population at that time was 288 million. How many million had no health insurance?

49. Marissa’s car uses 10 gallons of gas to travel 210 miles
Marissa’s car uses 10 gallons of gas to travel 210 miles. She has 5 gallons of gas in the car and she wants to know how much more gas she will need to drive 640 miles.

50. Marissa’s car uses 10 gallons of gas to travel 210 miles
Marissa’s car uses 10 gallons of gas to travel 210 miles. She has 5 gallons of gas in the car and she wants to know how much more gas she will need to drive 640 miles.

51. Marissa’s car uses 10 gallons of gas to travel 210 miles
Marissa’s car uses 10 gallons of gas to travel 210 miles. She has 5 gallons of gas in the car and she wants to know how much more gas she will need to drive 640 miles.

52. Marissa’s car uses 10 gallons of gas to travel 210 miles
Marissa’s car uses 10 gallons of gas to travel 210 miles. She has 5 gallons of gas in the car and she wants to know how much more gas she will need to drive 640 miles.

53. Marissa’s car uses 10 gallons of gas to travel 210 miles
Marissa’s car uses 10 gallons of gas to travel 210 miles. She has 5 gallons of gas in the car and she wants to know how much more gas she will need to drive 640 miles.

54. Marissa’s car uses 10 gallons of gas to travel 210 miles
Marissa’s car uses 10 gallons of gas to travel 210 miles. She has 5 gallons of gas in the car and she wants to know how much more gas she will need to drive 640 miles.

67. A tour boat goes 10 miles against the current in a small river in the same time that it goes 15 miles with the current. If the speed of the current is 3 mph, find the speed of the boat in still water.

68. A tour boat goes 10 miles against the current in a small river in the same time that it goes 15 miles with the current. If the speed of the current is 3 mph, find the speed of the boat in still water.

69. A tour boat goes 10 miles against the current in a small river in the same time that it goes 15 miles with the current. If the speed of the current is 3 mph, find the speed of the boat in still water.

70. A tour boat goes 10 miles against the current in a small river in the same time that it goes 15 miles with the current. If the speed of the current is 3 mph, find the speed of the boat in still water.

71. A tour boat goes 10 miles against the current in a small river in the same time that it goes 15 miles with the current. If the speed of the current is 3 mph, find the speed of the boat in still water.

72. A tour boat goes 10 miles against the current in a small river in the same time that it goes 15 miles with the current. If the speed of the current is 3 mph, find the speed of the boat in still water.

88. At O’Hare International Airport in Chicago, Cheryl and Bill are walking to the gate at the same speed to catch their flight. Since Bill wants a window seat, he steps onto a moving sidewalk and continues to walk while Cheryl uses the stationary sidewalk.

89. If the sidewalk moves at 1 meter per second and Bill saves 50 seconds covering the 300 meter distance, what is their walking speed.

90. If the sidewalk moves at 1 meter per second and Bill saves 50 seconds covering the 300 meter distance, what is their walking speed.

91. If the sidewalk moves at 1 meter per second and Bill saves 50 seconds covering the 300 meter distance, what is their walking speed.

92. If the sidewalk moves at 1 meter per second and Bill saves 50 seconds covering the 300 meter distance, what is their walking speed.

93. If the sidewalk moves at 1 meter per second and Bill saves 50 seconds covering the 300 meter distance, what is their walking speed.

94. If the sidewalk moves at 1 meter per second and Bill saves 50 seconds covering the 300 meter distance, what is their walking speed.

95. If the sidewalk moves at 1 meter per second and Bill saves 50 seconds covering the 300 meter distance, what is their walking speed.

96. If the sidewalk moves at 1 meter per second and Bill saves 50 seconds covering the 300 meter distance, what is their walking speed.

97. If the sidewalk moves at 1 meter per second and Bill saves 50 seconds covering the 300 meter distance, what is their walking speed.

98. If the sidewalk moves at 1 meter per second and Bill saves 50 seconds covering the 300 meter distance, what is their walking speed.

99. If the sidewalk moves at 1 meter per second and Bill saves 50 seconds covering the 300 meter distance, what is their walking speed.

100. If the sidewalk moves at 1 meter per second and Bill saves 50 seconds covering the 300 meter distance, what is their walking speed.

131. Letitia and Kareem are working on a neighborhood cleanup
Letitia and Kareem are working on a neighborhood cleanup. Kareem can clean up all the trash in the area in 7 hours while Letitia and do the same job in 5 hours. How long will it take them if they work together.

132. Letitia and Kareem are working on a neighborhood cleanup
Letitia and Kareem are working on a neighborhood cleanup. Kareem can clean up all the trash in the area in 7 hours while Letitia and do the same job in 5 hours. How long will it take them if they work together.

144. Lesson 6.5 # 1-36