the mean of a b c d and e is 28 if the mean of A,C and e is 24 find the mean of B and d
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Answer:
The mean of b and d = 29
Step-by-step explanation:
It is given that
The mean of a b c d and e is 28 and
the mean of A,C and e is 24
To find total sum
If a,b,c,d,and e are 5 numbers
The sum of this five numbers = 5 x 28 =140
To find sum of a,c,e
The mean of a,c e is 24. which means that
sum of a,c, and e is 24 x 3 = 72
To find mean of b and d
Then sum of b and d = 140 -72 = 58
Therefore the mean of b and d = 58/2 = 29
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