1.	Use cross products to determine which ratio forms a proportion with
		A.		B.
		C.		D.
		Hint
	2.	Suppose 2 inches represent 50 miles on a map. If the distance between two cities on the map is inches, what is the actual distance between the cities?
		A.	mi	B.	mi
		C.	mi	D.	mi
		Hint
	3.	Find the value of c for the proportion
		A.	13.6	B.	30.6
		C.	97.9	D.	1.7
		Hint
	4.	Solve
		A.	n = 26.35	B.	n = 35.35
		C.	n = 29.02	D.	n = 14.64
		Hint
	5.	Solve
		A.	r = 203	B.	r = 179
		C.	r = 107	D.	r = 155
		Hint