1. 2-6 Ratios, Rates and Conversion

2. Definitions Ratios Rate Unit rate Compares two numbers by division
Cm/lbs
Unit rate
Compares two numbers by division
A ratio that compares quantities measured in different units
Rate with a denominator of 1

3. Conversion factor
Ratio of two equivalent measures in different units

4. Comparing Unit Rates
You are shopping for t- shirts. Which store offers the best deal?
Store A - $25 for 2
Store B - $45 for 4
Store C - $30 for 3
Divide $25 by 2 to get price per shirt
Divide $45 by 4 to get price per shirt
Divide $30 by 3 to get price per shirt

5. Trisha ran 10km in 2. 5 h. Jason ran 7. 5km in 2h. Olga ran 9
Trisha ran 10km in 2.5 h. Jason ran 7.5km in 2h. Olga ran 9.5 km in 2.25h. Who had the fastest average speed?

6. Converting Unit Rates How do you choose the conversion factor?
Get common units
Divide
330 hours→ min
330 x 1h/60min
ssnet.com/snpapp/iText/ products/ /media/National/NA_S DC_A1/A1G0206_02SO P.mp4
15kg → grams
15kg x 1000g/1kg
1250cm → m

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