1.	Use cross products to determine which ratio forms a proportion with
		A.		B.
		C.		D.
		Hint
	2.	Solve the proportion .
		A.	8	B.	16
		C.	196	D.	392
		Hint
	3.	Solve
		A.	x = 37.5	B.	x = 29
		C.	x = 1.5	D.	x = 24
		Hint
	4.	Solve
		A.	n = 26.35	B.	n = 14.64
		C.	n = 29.02	D.	n = 35.35
		Hint
	5.	Solve
		A.	r = 107	B.	r = 155
		C.	r = 179	D.	r = 203
		Hint