Rate: A rate is a comparison of two quantities measured in different units.

Proportion: A equation which states that two ratios or fractions are equal.

1. 5 hours to travel 360 miles is about 76 mph.

2. 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.

What are the three ways you can prove that equivalent ratio statements are true?

**3/4 = 12/16**or**4/9 = 16/32**
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