The mean of a,b,c,d and e is 28.If the mean of a,c,e is 24.Find the mean of b,d.
Answers
Answered by
1
a + b + c + d + e = 140..........(1}
a + c + e = 72............(2)
Adding eqn. 1 and 2, we get
b + d = 140 - 72
b + d = 68
Mean of b, d = 68 / 2
= 34
a + c + e = 72............(2)
Adding eqn. 1 and 2, we get
b + d = 140 - 72
b + d = 68
Mean of b, d = 68 / 2
= 34
Answered by
1
i think it will help you
mark as brainliest answer!! ! ! ! !
mark as brainliest answer!! ! ! ! !
Attachments:
Similar questions