1.	Find the price per bottle of water if 12 bottles of water cost $4.49.
		A.	$0.42	B.	$0.48
		C.	$0.54	D.	$0.37
		Hint
	2.	Express the ratio 437.6 miles on 17.8 gallons of gasoline as a unit rate.
		A.	26.33 miles per gallon	B.	27.50 miles per gallon
		C.	25.71 miles per gallon	D.	24.58 miles per gallon
		Hint
	3.	Which fraction is equivalent to the ratio 16:48?
		A.		B.
		C.		D.
		Hint
	4.	Express the ratio 45 seconds to 30 minutes as a fraction in simplest form.
		A.	40	B.
		C.		D.
		Hint
	5.	A six-pack of soda costs $2.49, a 12-pack of soda costs $3.99, and a 24-pack of soda costs $5.49. Which pack has the lowest cost per unit?
		A.	24-pack	B.	6-pack
		C.	The unit rates are equal.	D.	12-pack
		Hint