At 4:00 PM the temperature was 90F. After this point, the temperature dropped 1.5F per hour until sunrise the next morning 21. Write an equation to represent the temperature, t after h hours.

23. If sunrise was at 6:00 AM the next morning, what was the temperature?
A.66
B.67
C.68
D.69

24 At what time did the temperature reach 75?

A.1:00 AM
B. 2:00 AM
C. 3:00 AM
D. 4:00 AM

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