1.	Determine whether the ratios and form a proportion. Justify your answer.
		A.	No, their cross products are not equal.	B.	Yes, they are both percents.
		C.	No, they are unit rates.	D.	Yes, their cross products are equal.
		Hint
	2.	If James can bicycle 32 miles in 4 hours, how far can he bicycle in 3 hours?
		A.	24 miles	B.	8 miles
		C.	30 miles	D.	12 miles
		Hint
	3.	Solve .
		A.	r = 20.5	B.	r = 25.2
		C.	r = 8.4	D.	r = 27.1
		Hint
	4.	Boxes of cereal are marked 3 for $5.00. How much will 8 boxes of cereal cost?
		A.	$13.33	B.	$16.00
		C.	$10.00	D.	$9.33
		Hint
	5.	Which pair of ratios forms a proportion?
		A.	,	B.	,
		C.	,	D.	,
		Hint