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.
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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°
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