the mean of 21 numbers is 15 if each number is multiplied by 2 what will be the new mean
Answers
Answered by
2
21×15=315
21×2=42
315+42=357
357/21=17
so, the new mean=17
mark me as brain list
follow me for mathematical problems.
21×2=42
315+42=357
357/21=17
so, the new mean=17
mark me as brain list
follow me for mathematical problems.
Answered by
7
hope it is correct.....
Attachments:
aysha786:
thankyou
Similar questions