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The mean of ten numbers is 58. If one of the numbers is 40,

what is the mean of the other nine?

User Wenuka
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6 votes

60

if the mean of ten numbers is 58 then the total would be 580 and when you subtract 40 from 580 you get 540 and then divide 540 by 9 for the new mean of 60

User Msonsona
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