the mean of three numbers A B and C is a 8 and the mean of 5 no.a, b, c, d, e is 15 find the mean of D and e
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Answered by
1
hello mate the mean of D and E is 10
ksbhalla:
thank you very much
sorry sir but ur answer is wrong. according to my answer sheet the answer is 25.6
sorry that 25.5
Answered by
8
Answer:
Step-by-step explanation:
a + b + c = 3 × 8 = 24.
a + b + c + d + e = 5 × 15 = 75
24 + d + e = 75
d + e = 75 - 24 = 51
(d + e) / 2 = 51 /2 = 25.5.
the mean of d and e is 25.5
thanks a lot sir
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