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79. What temperature is shown on this thermometer, to the nearest degree?
A. 50 degrees C
B. 55 degrees C
C. 57 degrees C
D. 60 degrees C
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80. Bobbie was writing an article for the school newspaper about the amount of homework the 4
grade teachers were assigning. He was surprised to find out that the average student only spent
20 minutes per night doing homework. To make it sound longer, he decided to convert the time
from minutes to seconds in the article. How many seconds did the average student spend on
homework?
A. 80 seconds
B. 120 seconds
C. 800 seconds
D. 1,200 seconds
81. Sheryl planned to buy a wall paper border for her bedroom. She measured the lengths of the
walls and found the perimeter of her room. Use the picture below to determine the perimeter.
A. 22 ft.
B. 34 ft.
C. 44 ft.
D. 120 ft.