1.	Find the unit cost of 5 DVDs for $50.
		A.	$10	B.	$55
		C.	$11	D.	$45
		Hint
	2.	Find the unit cost of 7 energy bars for $14.
		A.	$4	B.	$2
		C.	$3	D.	$7
		Hint
	3.	Find the unit cost of 5 pairs of mittens for $20.
		A.	$4	B.	$5
		C.	$15	D.	$10
		Hint
	4.	Find the unit cost of 9 model cars for $45.
		A.	$6	B.	$5
		C.	$4	D.	$9
		Hint
	5.	Find each unit cost to determine the better buy.
		A.	Not enough information	B.	7 T-shirts for $35
		C.	10 T-shirts for $40	D.	The unit costs are the same.
		Hint