1.	Estimate 18% of 80.
		A.	42	B.	40
		C.	16	D.	36
		Hint
	2.	Estimate 25% of 39.
		A.	10	B.	12
		C.	3	D.	25
		Hint
	3.	Estimate 50% of 23.
		A.	18	B.	15
		C.	12	D.	9
		Hint
	4.	In a certain city, 987 children play soccer. Of the children playing soccer, 50% are under the age of 11. About how many children under 11 play soccer in this city?
		A.	600	B.	400
		C.	700	D.	500
		Hint
	5.	Estimate 72 out of 143 as a percent.
		A.	50%	B.	40%
		C.	60%	D.	65%
		Hint