Question

Mean temperature of a certain week was 25°C.
IF mean temperature of Monday, Tuesday,
Wednesday and Thursday was 23°C and that
of Thursday, Friday, Saturday and Sunday was
1980 Find the temperature of Thursday.​

Answer 1

Step-by-step explanation:

let denote the day names by their starting letters.

s+m+t+wed+thurs+f+sat=175°

m+t+wed+th=92°

thurs +fr+sat+sun=79.2°

add both the equations.

m+t+wed+2thurs+fr+sat+sun=171.2

thurs+175=171.2

so Thursday temperature is -3.8°