1.	Find the sum of 65.17 and 8.04.
		A.	73.11	B.	73.57
		C.	73.21	D.	63.21
		Hint
	2.	Find 4.2 נ7.5.
		A.	3.15	B.	31.4
		C.	0.315	D.	31.5
		Hint
	3.	A cave in the Ukraine is 131.73 miles long. The Mammoth Cave system in Kentucky is 2.695 times the length of the Ukraine cave. Approximately how long is the Mammoth Cave system?
		A.	35,501 mi	B.	3,550 mi
		C.	355 mi	D.	36 mi
		Hint
	4.	A full tank of gasoline costs $17.45. If the car has a 12-gallon tank, approximately how much does a gallon of gasoline cost?
		A.	$1.54	B.	$14.50
		C.	$1.45	D.	$0.145
		Hint
	5.	Find the difference.
		A.	21.8	B.	22.8
		C.	22	D.	21
		Hint