1.	Estimate 67% of 28.
		A.	20	B.	15
		C.	25	D.	10
		Hint
	2.	Estimate 48% of 52.
		A.	25	B.	50
		C.	15	D.	140
		Hint
	3.	Mr. Smith wants to give a 20% tip for a food bill of $24.80. About how much should he leave for the tip?
		A.	$5	B.	$10
		C.	$30	D.	$2.50
		Hint
	4.	A sweater that originally costs $48.99 is on sale for 50% off. Estimate the sale price.
		A.	about $35	B.	about $25
		C.	about $40	D.	about $20
		Hint
	5.	Enrique surveyed 100 students at lunchtime about their favorite kind of cookie. The results are shown in the table. Predict the number of students out of 360 that would choose sugar cookies.
		A.	about 270	B.	about 180
		C.	about 90	D.	about 120
		Hint