Question

the mean of three numbers is 12 of the numbers are 9 and 14 what is the third number

Answer 1

mean= sum of all terms / no of terms
12 = 9+14+ 3rd number / 3
12*3 = 23+3rd number
36-23 = 3rd number



13 is the 3rd number


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Answer 2

here is ur ans hope u understand