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A total of 9 students donated money for a school fundraiser and their average donation was $12.
If the average donation for 5 of the students was $16, what was the average donation,
for the remaining for students?
A)$5 B)$6 C)$7 D)$8 E)$9
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If the average donation of 9 students was $12, it means that the total amount of donation
of these 9 students was 9*12 = 108 dollars.
Since the average donation of 5 of the students was $16, their total donation was 5*16 = 80 dollars.
Hence, the total donation of remaining 4 students was 108 - 80 = 28 dollars.
It means that the average donation of these 4 students was 28/4 = 7 dollars. ANSWER
Solved and explained.