1.	A swimming suit was originally priced at $40. During a sale, the cost was reduced to $30. What was the percent of decrease in the price?
		A.	25%	B.	50%
		C.	33%	D.	75%
		Hint
	2.	Sales tax is an example of a ______.
		A.	discount	B.	percent of increase
		C.	simple interest	D.	percent of decrease
		Hint
	3.	In 1990, 5,283,055 people subscribed to cellular telephone service. In 1998, the number of people had risen to 69,209,321. To the nearest percent, find the percent of increase.
		A.	92%	B.	920%
		C.	121%	D.	1210%
		Hint
	4.	Find the percent increase or decrease to the nearest percent. original: 113 new: 150
		A.	37% increase	B.	33% increase
		C.	33% decrease	D.	37% decrease
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	5.	Find the percent increase or decrease to the nearest percent. original: 30 new: 24
		A.	6% increase	B.	20% decrease
		C.	6% decrease	D.	20% increase
		Hint