1.	What number is approximately 40% of 685?
		A.	420	B.	320
		C.	350	D.	280
		Hint
	2.	Find 60% of 30 mentally.
		A.	50	B.	18
		C.	24	D.	12
		Hint
	3.	Estimate 73% of 16.
		A.	12	B.	14
		C.	8	D.	10
		Hint
	4.	Find of 99 mentally.
		A.	33	B.	297
		C.	9	D.	11
		Hint
	5.	Estimate 11% of 60.
		A.	10	B.	3
		C.	600	D.	6
		Hint