## Tuesday, October 16, 2012

### jordans proportion post

Part 1

• ratio  - a relationship between two quantities nomally expressed as the quotient of one divided by the other.
• rate -   a certain quantity or amount of one thing considered in relation to a unit of another thing and used as a standard or measure    or   a fixed charge per unit of quantity
• proportion - comparitive relation between things or magnitudes as to size, quantity, number, etc....
Good definitions have pictures, words and examples.

Part 2
1. 5 hours to travel 360 kilometers is about __72___km/h.
2. Emma saves 28 cents of every dollar that she earns.  Emma earned \$75 last week.  How much money did Emma save last week?   75 x .28 = \$21.00
Part 3
What are the three ways you can prove that equivalent ratio statements are true?
3/4 = 12/16  or 4/9 = 16/32

1 horizontally 2 vertically and cross multiplication

Part 4
Find a video about using proportion and embed it in your post.  Make sure you select the small size of the video. (Bonus Marks if you make your own video about proportion and embed it)
http://youtu.be/P_aQPxr2G_4

1. Does this seem fair?  no he turned himself in to the police and its a \$100. no weapon did not hurt any one.
2. With what you know about proportion look and read what is in the image above.  Does it seem just and fair?  how does th ceo get 40 months for stealing 3 billion and the homeless man gets 15 years for stealing 100 dollars which he returned
3. Why have you made this choice? because i think its right
4. What would you have done if you were the judge? i would have let homeless man him go