Multiple Choice
In a school fund-raiser, 10 students in class A sold an average (arithmetic mean) of 4 boxes of cookies. In class B, 15 students sold an average of 9 boxes. What was the average number of boxes of cookies sold by the 25 students?
A) 13/25
B) 1
C) 6-1/2
D) 7
E) 13-6/13
Correct Answer:
Verified
Correct Answer:
Verified
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