1.	Which of the following is a unit rate?
		A.	2 hamburgers for $2.00	B.	60 Calories per serving
		C.	17 heartbeats in 15 seconds	D.	300 miles in 5 hours
		Hint
	2.	Eric uses 7 gallons of gas to drive 196 miles. How many miles can he drive using 1 gallon of gas?
		A.	22	B.	14
		C.	28	D.	30
		Hint
	3.	Rockford has a population of 234,870 people and its area is 7,829 square miles. Doleville has a population of 331,840 people and its area is 9,760 square miles. What can you conclude from each town's population density?
		A.	More people live in Rockford.
		B.	There are more people per square mile in Rockford than in Doleville.
		C.	The population density in Doleville is 34 people per square mile.
		D.	The population density in Rockford is 30 square miles per person.
		Hint
	4.	Which of the following is not a unit rate?
		A.	0.12 molecules per liter	B.	10 cm every 5 years
		C.	3 incidents each day	D.	65 miles per hour
		Hint
	5.	Express $15 for 10 gallons as a unit rate.
		A.	$1.50 per gallon	B.	$3 for 2 gallons
		C.	$5 per gallon	D.	$1000 per ton
		Hint