12.
A day in May in upstate New York has high temperatures as shown on the calendar below
for the first six days.
Sun.
Mon.
70 °F 67 °F
Tues.
76 °F
Wed.
77 °F
Thurs.
71 °F
Fri.
70 °F
Sat.
?
If the mean temperature for the week was 72 °F, then determine the missing high
temperature for Saturday. Show how you found your answer.