SOLUTION: the mean of ten pisitive numbers is 16 when another number is added it changes to 18 find the number with solutions
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Question 991646: the mean of ten pisitive numbers is 16 when another number is added it changes to 18 find the number with solutions
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
the mean of ten positive numbers is 16 when another number is added it changes to 18
find the number with solutions
let n = another number
= 18
multiply both side by 11, distribute the 10
n + 160 = 11 * 18
n = 198 - 160
n = 38 is the number
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