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Saturday, October 13, 2012

mcheyanne873's Proportion Post

Ratio-A relationship between two numbers that are of the same type. This is a picture of the golden ratio. An example is there is 1 boy and 3 girls, so you can write the ratio as: 1:3 (for every one boy there are 3 girls).
Golden Ratio

Rate-A ratio between two measurements with different units. These are supposedly rate buttons. You can make ratio questions with it. How many questions can you think of? An example is  20 oz of juice for $4, miles per hour, etc. 

Rate Buttons

Proportion-A relationship of two rates or ratios that are equal. It can be written in fraction form. These two groups of Roman coins are equal. An example is a 
cardboard model of a dirt bike is part of an indoor display. Its height is 4 ft. The real dirt bike is 5 ft long and 2 ft high. Find the length of the model.
Romanian Coins


1.5 hours to travel 360km is about 72km per hour.
2.Emma saves up 28 cents of every dollar that she earns. Emma earned $75 last week. How much money did Emma save last week? Emma saved $21 dollars last week.


To prove that equivalent  ratio statements are true you can use a ratio table, ratio proportion or fractions.


Here is my video. But since it was not from YouTube, I had to make it a link. I hope that's okay with you. Next time I shall make my own.


Picture to question.
1.Does this seem fair?
No and yes. Yes because he did rob a bank. But no because he was a homeless and hungry man.
2.With what you know about proportion look and read what is in the image above.  Does it seem just and fair? 
Okay I don't know how this involves proportion, but I think it's not fair.
3.Why have you made this choice?
Because he was just hungry, man.
4. What would you have done if you were the judge?
I would have made the sentence shorter. He didn't deserve 15 years of jail time. He was just a poor old homeless guy. And due to the fact that he turned himself in, must tell you something.


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