SOLUTION: the sum of three numbers is 27. the second number is three times the first. whiles the third is twice the first. find their average.
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Question 732338: the sum of three numbers is 27. the second number is three times the first. whiles the third is twice the first. find their average.
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
the average is defined as the sum of the numbers divided by the number of numbers being summed, here we have three numbers whose sum is 27
therefore we have
27 / 3 = 9
9 is the average
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