Question

Mean of 12,13,18,17,x,10, 15 is 15 then x =

Answer 1

Answer:

Mean of 12,13,18,17,x,10, 15=12+13+18+17+x+10+15

=85+x

therefore, 85+x=15

or,x=15-85

or,x= -70

I hope it may help you....plzz follow me & mark as brainliest..plzzzzzzzzzzzzzzzz