Ratio

a relationship between 2 numbers of the same kind. (3:16)

Rate

a comparison of 2 quantities measured in different units

proportion

an equation that states that 2 ratios are equal

task 2

- 5 hours to travel 360 miles is about 72 mph
- As a playgroup worker, if I increase the amount of apple juice I am serving at the playgroup from 25 ml to 100 ml, how much should I increase the the orange juice to, to keep the quantities in the same proportion? The orange juice is 50 ml to start with. you should increase it by 5

you can simplify, make the denominators equal, and you can also see if the numerators are equal.

task 4

http://www.youtube.com/watch?v=G8qy4f7GKzc&feature=related

task 5

http://www.concurringopinions.com/wp-content/uploads/2011/10/CrimeInAmerica2.jpg

it doesn't seem fair but i don't know if it is because of the person's race that determined their time in jail.

it doesn't seem fair. I would sentence the homeless man's time for 50-80 days in prison. and I would have sentenced the other person for 8-10 years. Or I would have let the homeless man do community service if he wanted to.

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