STANDARDIZED CONDENSED MILK 339 
How much 25% cream is required to raise the per cent fat 
in the 7,000 pounds of milk testing 3.347 fat to 3.966% ¢ 
a) a 21.04 
to 
x 
13 
Oo} 
Pity, 
Enough 25% cream must be added to the raw milk so that 
each 21.7 pounds of standardized milk contains .66 pounds of 
added cream and 21.04 pounds of the original milk. Hence 
21.7 +66 = 7000 2 5% = 218. Ibs., of cream. 
Total batch, 7000 pounds. 
25% cream, 213 pounds. 
3.347 milk, 6787 pounds. 
Example 2. 
Amount of fluid milk in batch, 7,000 pounds. 
Fat in fluid milk, 4.5 per cent. 
Solids not fat in fluid milk, 8.5 per cent. 
fat wanted in evaporated milk, 7.8 per cent. 
Solids not fat wanted in evaporated milk, 17.7 per cent. 
How much fat should fluid milk contain? TTow much skim 
milk must be added? 
Answers 177-285 = 7:8 = 3K = 3.40%) The fluid milk 
must contain 3.75% fat. 
Hlow much skim milk must be added to lower the per cent 
fat in the fluid milk to 3.75% ? 
4.5 275 
a eee 
ae ae 
se =e 
‘een coe 75 
4.50 
Enough skim milk must be added to the fluid milk so that 
each 4.5 pounds of standardized milk contains .75 pounds of 
