86 



FARM ARITHMETIC. 



cents per pound. In 100 pounds of 20 per cent cream there are 20 

 pounds of fat. Then 20 pounds of fat at 40 cents per pound will 

 cost .40 X 20 = $8.00 this is, therefore, the value of 100 pounds 

 of 20 per cent cream. 



Note. A gallon of 30 per cent cream weighs 8 pounds; 20 per 

 cent cream 8.3 pounds ; 4 per cent milk 8.55 pounds. 



242. When milk, testing 4 per cent fat, costs $1.60 per 

 hundred pounds, what is the value of one gallon of 20 

 per cent cream on basis of fat content? 



243. A dairyman sells his milk, testing 4.5 per cent, at 



BOTTLED MILK READY FOR MARKET. 



When milk is bottled immediately after cooling and then kept cool it remains 

 sweet and pure much longer than if marketed in large insanitary cans. 



20 cents per gallon. What price should he receive per 

 gallon for 30 per cent cream, so that the value of the fat 

 in this cream may be the same as that it now has in milk ? 



244. When milk, testing 3 per cent fat, costs 15 cents 

 per gallon, on basis of fat content, what should 4 per cent 

 milk cost ? Five per cent milk ? Twenty per cent cream ? 



245. When cream, testing 20 per cent fat, costs $1 a 



