Question:
One day the temperature started at -6°F and dropped 16° by the end of the day. What was the temperature at the end of the day?
Answer:
[tex]T_2 = -22[/tex]
Step-by-step explanation:
Given
Represent the initial temperature with T1
[tex]T_1 = -6[/tex]
Represent the drop in temperature by D
[tex]D = 16[/tex]
Required
Determine the new temperature (T2)
The question says that there was a drop of 16 degrees in temperature at the end of the day.
Using a number line, this means that we have to count 16 units to the left of -6.
This can be represented as:
[tex]T_2 = T_1 - D[/tex]
[tex]T_2 = -6-16[/tex]
[tex]T_2 = -22[/tex]
Hence, the temperature at the end of the day is -22 degrees