Over winter break, Alex took a trip to Montana and recorded the temperatures for the week. The temperature for the first six days of his trip are listed below. If the average
temperature for the week he was on vacation was 1.2 degrees Fahrenheit, what was the
temperature for Sunday?

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday Sunday
-5.3°F
3.6°F
6.7°F
0°F
10°F
-4.3°F
?°F
Show all of your work and prove you are correct.