. If the arithmatic mean of x, x+3, x+6, X+9 and x+12 is 10, then x = ___ * Question . If the arithmatic mean of x, x+3, x+6, X+9 and x+12 is 10, then x = ___ * in progress 0 Math Sarah 2 weeks 2021-09-06T06:08:24+00:00 2021-09-06T06:08:24+00:00 1 Answer 0 views 0

## Answers ( )

Answer:x=4

Step-by-step explanation:mean= sum of observations/ number of observations

given,

mean=10

10= 5x+30/5

5x=20

x=4

I hope this helps u