Math
posted by Jerald .
It took Esteban 1 hour and a half to complete his math problems for homework. He spent 3 to 5 minutes working each problem. Which is a reasonable number of problems that Esteban completed for homework?
A.10
B.12
C.15
D.20
D?
Shaquille O' Neal height measures 85 inches. The doorways in his home were designed so that he has 6 inches between the top of his head and the doorway. Which of the following is closest to the height of Shaquille's doorway in feet?
A.6
B.7
C.8
D.9
C?

Both are correct.

The temperature was 52 degrees Farenheit at 7:00 A.M. It rose an average of 3 degrees Farenheit every 2 hours until 5:00 P.M. Which of the following could be the temperature at 4:00 P.M.?
A.60F
B.37F
C.68F
D.64F
D?
At the start of the football game, the temperature was 70 degrees Fahrenheit. By 8:00 P.M., the temperature had dropped to 66 degrees Fahrenheit and continued to drop 4 degrees Fahrenheit each hour after that, At what time would the temperature reach 58 degrees Fahrenheit?
A.9:00 PM
B.10:00PM
C.11:00PM
D.12Midnight
C? 
The first is right. I disagree with your second answer.

Can you explain how come it isn't 11:00?

is it b

At 8 p.m. the temperature was 66 degrees.
It drops 4 degrees each hour.
At 9 p.m. it was 62 degrees.
At 10 p.m. it was 58 degrees.
So b. is correct.
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