Ratio: A ratio is a comparison of two quantities measured in the same unit
Example: you have a bag of 44 jellybeans, you pour 20 in your hand . It would look like this
44/20 or 44:20
Rate - A rate is two quantities measured in different units.
Example: The rate is when you read 40 words per minute.
Proportion-An equation which states taht two ratios are equal.
1. 1.5 hours to travel 360 miles is about 72 mph. 5/360=1/72
2. As a playground worker, if I increase the amount of apple jucie I am serving at the playground from 25 ml to 100 ml how much should I increase the orange juice to keep the quantities in the same proportion?
The orange juice is 50 ml to start with.
What are the three ways you can prove that equivalent ratio statments are true?
3/4=12/16 or 4/9=16/32
3/4 = 12/16 is true.
Q: Does it seem fair?
A: No it dosen't seem fair.
Q: With what you know about proportions look and read this image above does it seem fair? Why have you made this choice?
A: No it dosen't seem fair because Paul Allen stole $3 billion dollars and went to jail for 40 months. While Roy Brown stole $ 100 dollars and turned him self in because he felt guilty, but got sent to jail for 15 years.
Q: What would you have done if you were the judge?
A: If I was the judge I would give Paul Allen 15 years in jail, and Roy Brown 1 month in jail.