Answer:
The day's high temperature written as degrees Celsius is 25 degrees' Celsius.
Step-by-step explanation:
The day's high temperature in St. Louis ,Missouri was recorded as 77 degrees F.
We are supposed to find the day's high temperature written as degrees Celsius.
Formula : 
Substitute the value of F is 77 degrees
So,

C=25
Thus, The day's high temperature written as degrees Celsius is 25 degrees' Celsius.
Of means multiplication
So

And then simplify the numerator ad denominator
=

And simplify the numerator and denominator again
=

And we are finally left with the answer which is
Answer:
0.11111....
Step-by-step explanation:
. ......... .....
wait I was wrong