An equation stating that two ratios are equivalent.

Ex: 3/5= 15/20

A unit price is the price of one unit of an item. The unit used depends on how the item is sold.

$ on top, PER on bottom!

To change a rate to a unit rate:

1.) Put what you want ONE OF (per) in the denominator!

2.) Divide by the denominator

A rate is a ratio that compares two quantaties measured in DIFFERENT UNITS.

Ex:     Ratio=90/3      Rate=90mi/3hr