Asked by kellyann
10 numbers have an average of 12 whereas 5 other numbers have an average of 36. find the average of the 15 numbers
Answers
Answered by
Steve
10 x 12 = 120
5 x 36 = 180
15 = 300
The average of the 15 numbers is 300/15 or 20.
5 x 36 = 180
15 = 300
The average of the 15 numbers is 300/15 or 20.
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