400 



TABLES 



COMPARISON OF THE CENTIGRADE AND FAHRENHEIT 

 THERMOMETER SCALES. 



(i) To convert degrees Centigrade to Fahrenheit, 

 multiply by 9, divide by 5, and add 32. 



(ii) To convert degrees Fahrenheit to Centigrade, 

 subtract 32 and multiply the remainder by 5 and divide 

 by 9- 



