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?