tions, each shipping 5,000 lbs. of 'dU% cream, accord- 

 ing to their test. When cream was tested at the 

 creamery it was found that three stations were 2% 

 short of total butter fat in their cream and two sta- 

 tions were 3% short, (a) What is average test of 

 cream at creamery? (b) How many pounds of but- 

 ter fat is lost. Ans. (a) 29.28; (b) 180 lbs. 



(b) Suppose the butter made from fat in above 

 cream contained 83% fat, (a) how many more 

 pounds of butter could be made from it if it con- 

 tained 81% fat; (b) what would be the gain in 

 pounds of butter in one year of 300. days, (c) and 

 the value at 30c per pound? Ans. to (b) : a — ^208 

 lbs., b— 62,400 lbs., c— $18,720. 



