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jeyben
[28]
3 years ago
5
The average of three numbers is 94. The average of four different numbers is 87. What is the weighted mean of all the numbers to
gether?
Mathematics
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1
answer:
enyata
[817]
3 years ago
5
0
((94 * 3) + (87 * 4)) : 7 = (282 + 348) : 7 = 630 : 7 =
90 - answer.
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