Answer:

Step-by-step explanation:
We have been given that at midnight, the temperature was
. At noon, the temperature was
.
Since our temperature has increased to 23 degree Fahrenheit from -8 degree Fahrenheit, we can represent this increase in temperature as:

Therefore, the expression
represents the increase in temperature.
38.71428571428571 or 38.7
.57 because 57/100 is like 57% and pretend that the percent is like a magnet and pulls the decimal two spaces to the right