Question

the mean of 3 numbers is 7 .2 of the numbers are 6 & 12 WHAT IS THE THIRD

Answer 1

Answer:

18 is third number

i hope tis helpful

Answer 2

Answer:

consider that number is x

(6+12+x)/3=7

18+x=21

x=21-18

x=3

hence that number is 3