900 



ANNUAL KLPUirr OK i HE 



Ulf. 1)00. 



For example, let the problem be to determine the i)erceutages of 

 protein aud fat t<j be stated in the guaranty for a mixture of 5,000 

 l»ouuds of corn, 4,000 pounds of oats and 1,000 pounds of spring 

 wheat bran. The guaranty percentage for the corn have been de- 

 termined, those for the oats and bran remain to be fixed. The per- 

 centages of protein and fat given in the table for these feeds are: 



Lowest, 

 Highest, 

 Average, 



Spring Wheat Bran. 



I'rolein. 



14.3 

 18.1 

 16.1 



Fat. 



3.6 



5.0 

 4.5 



Pursuing the method adopted in the case of the corn, the follow 

 ing guaranty percentages are obtained: 



Fat 



4.2 



4.0 



The calculation of the percentages of protein and fat in the mix 

 ture is made as follows: 



