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If 11m − n = p, then which of the following represents the average (ar
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11 Aug 2021, 11:52
11 Aug 2021, 11:52
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If 11m − n = p, then which of the following represents the average (arithmetic mean) of m, n, and p, in terms of m?
(A) 2m −1
(B) 4m
(C) 6m
(D) m/5
(E) 6m/5
(A) 2m −1
(B) 4m
(C) 6m
(D) m/5
(E) 6m/5
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Re: If 11m − n = p, then which of the following represents the average (ar
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11 Aug 2021, 12:17
11 Aug 2021, 12:17
1
Carcass wrote:
If 11m − n = p, then which of the following represents the average (arithmetic mean) of m, n, and p, in terms of m?
(A) 2m −1
(B) 4m
(C) 6m
(D) m/5
(E) 6m/5
(A) 2m −1
(B) 4m
(C) 6m
(D) m/5
(E) 6m/5
Average of m, n, and p = \(\frac{m + n + p}{3}\)
11m − n = p
i.e. 11m = p + n
Substitute the value of p + n in the average,
So, \(\frac{m + 11m}{3} = 4m\)
Hence, option B
General Discussion
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Re: If 11m − n = p, then which of the following represents the average (ar
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11 Aug 2021, 12:41
11 Aug 2021, 12:41
1
Carcass wrote:
If 11m − n = p, then which of the following represents the average (arithmetic mean) of m, n, and p, in terms of m?
(A) 2m −1
(B) 4m
(C) 6m
(D) m/5
(E) 6m/5
(A) 2m −1
(B) 4m
(C) 6m
(D) m/5
(E) 6m/5
Average = (m + n + p)/3
Replace p with 11m - n, to get:
Average = [m + n + (11m - n)]/3
= 12m/3
= 4m
Answer: B
Related Video:
Cheers,
Brent
