B) Noralie used 22 Gallons of Gas to go 682 miles.

1)What are the two unit rates that she might compute?

2)Compute each unit rate and tell what it means.

3) Which way is the most useful? Why?

With the information you posted, the only unit rate is miles per gallon.

682/22 = _______ mpg

To find the unit rates, we need to divide the total gallons of gas used by the total miles traveled.

1) The two unit rates that Noralie might compute are:
a) Gallons of gas per mile
b) Miles per gallon

2) Let's compute each unit rate and explain what they mean:
a) Gallons of gas per mile: Divide the total gallons of gas used (22 gallons) by the total miles traveled (682 miles).
Unit rate = 22 gallons / 682 miles ≈ 0.0323 gallons/mile
This unit rate tells us how many gallons of gas Noralie used for each mile she traveled. In this case, it is approximately 0.0323 gallons per mile.

b) Miles per gallon: Divide the total miles traveled (682 miles) by the total gallons of gas used (22 gallons).
Unit rate = 682 miles / 22 gallons ≈ 31 miles/gallon
This unit rate tells us how many miles Noralie was able to travel on average for each gallon of gas used. In this case, it is approximately 31 miles per gallon.

3) The most useful unit rate depends on the specific situation or need. Generally, the miles per gallon unit rate (31 miles/gallon) is more commonly used and provides a useful measure of fuel efficiency for a vehicle. It tells us how many miles can be traveled on average for each gallon of gas. This is often the standard unit rate used when comparing the fuel efficiency of different vehicles.