1. Ratios and Proportions Notes-Part 7

2. Conversion Factors
A conversion factor is the ratio of two equivalent measurements, expressed with different units, and often different numbers, which are used to change the for m of a value to an equivalent form with different units.

3. Conversion Factors
What is necessary for a conversion factor? Two measurements with different units that are equal to the same thing.

4. Examples

5. Conversion Factors
Using conversion factors to solve a problem is called dimensional analysis.

6. Solve (Without a Calculator)

7. Solve (Without a Calculator)

8. NOTE!
Always check your units. The units that you should have left should match what the question is asking!

9. Try These:
Mr. Moore can listen to 34 songs while driving 120 miles in his hot red Ferrari. How many miles would he have to drive to hear 40 songs?

10. Try These:
A swordfish can swim at a rate of 60 miles per hour. How many feet per hour is this?

11. Try These:
Mrs. VanHeusden walks at a speed of 7 feet per second. How many feet per hour is this?

12. Try These:
The average speed of one team in a relay race is about 10 miles per hour. What is this speed in feet per second.