The mean of a b c d e is 28.If the mean of a,c,andeis 24 what isthe mean of b and d solve it
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a+b+c+d+e/5=28
a+b+c+d+e=140
a+c+e/3=24
a+c+e=24×3=72
a+b+c+d+e=140
72+b+d=140
b+d=68
therefore,
mean of b,d=b+d/2
=68/2
=34
a+b+c+d+e=140
a+c+e/3=24
a+c+e=24×3=72
a+b+c+d+e=140
72+b+d=140
b+d=68
therefore,
mean of b,d=b+d/2
=68/2
=34
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