7.2 Ratios, Rates, and Unit Rates
A rate is a comparison of two quantities that
have different units
Examples of rates:
A unit rate is a rate in which the second quantity is one.
Examples of unit rates:
Calculating Unit Rates
You rode your bike for 20 minutes and went 2 miles.
3 pounds of meat costs $6.75
There are 630 desks in 18 rooms
You can use Unit Prices to compare costs per item.
Find the better deal:
3 lb of roast beef
for $8.97
or
5 lb of roast beef
for $14.85