__Part 1 - Definition__

**Ratio -**the relation between two similar magnitudes with respect to the number of times the first contains the second.

**Rate -**Rate is a ratio that compares two quantities of different units.

**Proportion -**two sets of numbers are proportional if one set is a constant times the other.

__Part 2 - Proportion Statements__

1. 5 hours to travel 360 kilometers is about 72km/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?

3.

**What are the three ways you can prove that equivalent ratio statements are true?**
Part 4

.http://youtu.be/Ss3fp51ghMo

**proportion**look and read what is in the image above. Does it seem just and fair?

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