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KiRa [710]
3 years ago
7

Over four evenings, Ms.Cross grades 6 papers, 8 papers, 9 papers, and 7 papers. She wants to grade an average of 9 papers a nigh

t. What would be a reasonable estimate of how many papers Ms.Cross must grade on the fifth day to reach that goal?
A)11
B)15
C)18
D)19
Mathematics
1 answer:
cupoosta [38]3 years ago
7 0
The answer would be 15. The average of 6, 7, 8, 9, and 15 is 9. Hope this helps.
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