130 DAIRY ARITHMETIC 
One two-horse farmer's truck will carry thirty 
40-quart cans of milk. It would require only 44 
such trucks (allowing for some partly filled cans) 
to haul the 1181 cans hauled by the 453 wagons 
above. The cost of collective hauling by the 44 
trucks would be: 
Ad ten, S day AE PI 50..2s.25405 $ 66.00 
44 teams, 3 day at $2.50........ 110.0 
Total cost per day.......... $ 176.00 
Total cost per year......... $ 64,284.00 
Yearly saving.............. $101,174.25 
COMPOSITION OF MILK 
NorMAL MILK rromM MIxEep HERpDs 
Average of 3000 Samples, Snyder’s ‘‘Chemistry of Dairying” 
Per Cent. | See | Bera 
WCE ie oun sent tai oan wade A ec 87.50 87.61 84.59 
Total solids... pcs sccee owas 12.50 12.39 15.41 
atsin wwertees Biv malas: 3.60 3.46 5.61 
Solidsinot fat cece yicn yxca ee 8.90 8.93 9.80 
Casein and albumen....... 3.40 3.39 3.91 
Milk Sugars cc. ccceces ace ae 4.75 4.84 5.15 
INS eriice okie cos aiege ooh Seg 0.75 0.74 0.74 
WEIGHTS AND MEASURES 
I quart milk weighs 2.15 lb. 
1 gallon milk weighs 8.60 lb. 
10 gallons milk weigh 86 lb. 
46.5 quarts milk weigh 100 Ib. 
