444 MANUAL OF MILK PRODUCTS 



PROBLEM 1 



40 quarts of milk is equal to how many pounds ? 



1 qt. of milk weighs 2.15 Ib. 



40 qt. weigh 2.15 Ib. X 40 = 86 Ib. Answer. 



PROBLEM 2 



79.55 Ib. of milk equals how many quarts? 



2.15 Ib. of milk equals 1 qt. 



In 79.55 Ib. there would be 79.55 -r- 2.15 = 37, number of quarts. 

 Answer. 



In the same way, by referring to the table given and finding the 

 weight of a quart of cream of a certain percentage of fat, quarts of 

 cream may be converted to pounds and pounds to quarts. 



PROBLEM 3 



What would be the weight of 20 gallons of 30 per cent cream ? 



One gallon of 30% cream weighs 8.352 Ib. 



20 gal. weigh 8.352 Ib. X 20 = 167.04 Ib. Answer. 



Computing the pounds of fat in dairy products. 



In order to find the number of pounds of fat in dairy products it is 

 necessary to know the number of pounds of the product and its percent- 

 age of fat. 



PROBLEM 4 



Compute the pounds of fat in the following : 

 A Whole milk 82 Ib., testing 3.8 per cent fat 

 B Cream 80 Ib., testing 39 per cent fat 



C Cream 80 Ib., testing 40 per cent fat 



D Cream 83 Ib., testing 20 per cent fat 



E Buttermilk 85 Ib., testing .12 of 1 per cent fat 

 F Skimmed milk 84 Ib., testing .03 of 1 per cent fat 

 G Whey 85 Ib., testing .32 of 1 per cent fat 



ANSWERS 



A 82 X .038 = 3.116, number of pounds of fat 



B 80 X .39 = 31.2, number of pounds of fat 



C 80 X .40 = 32.0, number of pounds of fat 



D 83 X .20 = 16.6, number of pounds of fat 



E 85 X .0012 = .102, number of pounds of fat 



F 84 X .0003 = .0252, number of pounds of fat 



G 85 X .0032 = .272, number of pounds of fat 



