Question

the reading of centigrade thermometer coincides with that of Fahrenheit thermometer in liquid the temperature of liquid is?​

Answer 1

Answer:

-40 degrees centigrade

Explanation:

Let x be the temperaure at which  

0

C and  

0

F coincide.

We have,

180

x−32

​  

=  

100

x

​  

 

x−32=  

100

180x

​  

 

x−  

10

180x

​  

=32

100x−180x=3200

−180x=3200

x=−  

80

3200

​  

=−40  

0

C