284 Testing Milk and Its Products. 



Table XIV. Comparisons of thermometer scales (Continued.) 



To convert deg. Fahrenheit to corresponding deg. Centigrade: 

 Subtract 32, multiply difference by 5, and divide by 9. 

 Mcample: Which degree Centigrade corresponds to 110° F.? 110 — 82 = 



78; 78 X 5 = 390; 390 + 9 = 43.33. 



To convert deg. Centigrade to corresponding deg. Fahrenheit: 

 Multiply by 9, divide product by 5, and add 32 to quotient. 

 Example: Which degree Fahrenheit corresponds to 95.5° C? 95.6 X 9 = 



869.6; 859.5 -^ 6 = 171.9; 171.9 -|- 32 = 203.6. 



