CREAMERY PROBLEMS. 277 



Problem: How many pounds of 20 per cent test- 

 ing cream will 800 lbs. of 4 per cent milk yield? 



Rule: Divide the milk test by the cream test and 

 multiply the quotient by 100. Multiply this resvilt 

 by the number of pounds of milk; divide result by 

 100. The quotient is the number of pounds of 

 cream. 



Solution : 4/20=.2 ; .2 X 100=20 ; or 4/20 X 100= 

 20% ; (800X20)-f-100=160 lbs. Ans. 

 Milk lbs. Milk test. Cream test. 



or 800 + 4 -^-:20=160 cream 



lbs. Ans. 



Problems for Practice. 



How much cream can be obtained from the fol- 

 lowing : 



60. To find the amount of cream when the per cent 

 of cream from milk, and the milk pounds are known. 



Problem: The per cent of cream from 35,000 lbs. 

 of 4 per cent milk is 22.5. Find the amount of cream. 



Rule: Multiply the milk pounds by the per cent 

 of cream from milk and divide the result by 100. 

 The quotient will be the cream pounds. 



Solution: 25,000X22.5=787,500; 787,500^100= 

 7,875; or (35,000^100) X22.5=7,875 lbs. Ans. 



