Mass (g)
	First	Second	Third	Fourth	Total (g)	Total (lbs)		v=πr^2h
Paper	1300.0	3100.0	4600.0	6817.0	15817.0	34.8		r=9.5	lunch1=138
Plastic	1100.0	2900.0	1100.0	1500.0	6600.0	14.5			lunch2=152
Styrofoam	700.0	1200.0	1200.0	2100.0	5200.0	11.4			lunch3=152
Other	2700.0	4200.0	4500.0	3500.0	14900.0	32.8			lunch4=172
Food	4545.0	9999.0	5272.2	13635.0	33451.2	73.6
Total mass (g)	10345.0	21399.0	16672.2	27552.0	75968.2			can = 32 gallons
Total mass (lbs)	22.8	47.1	36.7	60.6	167.1
Volume
	First (in)	1st volume	Second (in)	2nd volume	Third (in)	3rd volume	Fourth	4th volume	Total
Paper	17.0	4820.0	19.0	5387.0	15.0	4252.9	22.0	6237.6	20697.6
Plastic	10.0	2835.3	16.0	4536.5	17.0	4820.0	19.0	5387.0	17578.8
Styrofoam	18.0	5103.5	26.0	7371.7	23.0	6521.2	29.0	8222.3	27218.8
Other	10.0	2835.3	11.0	3118.8	14.0	3969.4	13.0	3685.9	13609.4
Food	6.0	1701.2	9.0	2551.8	7.0	1984.7	12.0	3402.3	9640.0
Total volume		17295.3		22965.8		21548.2		26935.2	88744.5
								cubic feet	51.4
								gallons	384
							trash can= 32 gallons
							dumpster = 162,945 cu in
Note:	two classes missing from first lunch, on field trip.						dumpster = 112 cu ft
	kindergarten eats with first but empties trash with second.