Question

12. The mean of five numbers is 30. If one more
number is included, the mean still remains 30. Find
the included number.​

Answer 1

Answer:

5 no.mean = 30

sum of 5 no.=30*5

=150

if one more no. added

5+1=6no.

6no.mean =30*6=180

ADDED NO.=180-150=30

so,ANSWER =30

hope it helps

tq./

Step-by-step explanation:

Answer 2

Answer:

30*5=sum

30*6=sum+x

x=30