the sum of 10 numbers is 310 find the average if one of the numbers is 40, find the average of remaining 9 numbers and the answer is31,30
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Step-by-step explanation:
average number = 310 / 10 = 10
one number is 40
therefore sum of numbers is 310 - 40 = 270
numbers are 9
average number = 270/9 = 30
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