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Monday, October 15, 2012

Stephanie's proportion post.

A rate is quantity measured to another measured quantity .
For example :
a rate of 30 miles per hour.
Here is a video and a picture for more help :


What is a ratio?
A ratio is when you compare 2 quantities.
For example : the ratio for red circles to clue is 4:6 .
what's proportion?
A proportion is like a part in relation to the whole.
for example :



5hours to travel 360 kilometers is about _____km/h .

360\5 = 72 km per hour .


·  Emma saves 28 cents of every dollar that she earns.  Emma earned $75 last week.  How much money did Emma save last week?
28 cents x 75 dollars = 2100 cents. Or 21 dollars.
What are the three ways you can prove that equivalent ratio statements are true?
·  Does this seem fair?  No this doesn't seem fair , because he didnt take all the money and he surrendered.
·  With what you know about proportion look and read what is in the image above.  Does it seem just and fair?  yes.
·  Why have you made this choice? Because it seems fair and he dserves a second chance.
  ·  What would you have done if you were the judge? I would of gave him a warning & thanks him for giving the money back.

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