1.	Express the ratio 437.6 miles on 17.8 gallons of gasoline as a unit rate.
		A.	27.50 miles per gallon	B.	24.58 miles per gallon
		C.	25.71 miles per gallon	D.	26.33 miles per gallon
		Hint
	2.	What is 125:625 expressed as a fraction in simplest form?
		A.		B.
		C.		D.
		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.	The unit rates are equal.	B.	24-pack
		C.	6-pack	D.	12-pack
		Hint