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If the mean of integers E and F is G, what is the mean of E, F, and H?

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Bunuel
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If the mean of integers E and F is G, what is the mean of E, F, and H? [#permalink] New post   15 Jul 2020, 02:27
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If the mean of integers E and F is G, what is the mean of E, F, and H?

A. (G + H)/2
B. (G + H)/3
C. (E + F + H)/(G - 3)
D. G(E + F + H)/2
E. (2G + H)/3
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E
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Re: If the mean of integers E and F is G, what is the mean of E, F, and H? [#permalink] New post   15 Jul 2020, 02:37
Bunuel wrote:
If the mean of integers E and F is G, what is the mean of E, F, and H?

A. (G + H)/2
B. (G + H)/3
C. (E + F + H)/(G - 3)
D. G(E + F + H)/2
E. (2G + H)/3


From the question, E+F = 2G

=> (E+F+H)/3 = (2G+H)/3
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Re: If the mean of integers E and F is G, what is the mean of E, F, and H? [#permalink] New post   15 Jul 2020, 02:58
Mean of E,F = \(\frac{E+F}{2 }\)= G

E+F = 2G

Mean of E+F+H = \(\frac{E+F+H}{3}\)
= \(\frac{2G+H}{3 }\)

Answer E
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Re: If the mean of integers E and F is G, what is the mean of E, F, and H? [#permalink] New post   18 Jul 2020, 10:57
Bunuel wrote:
If the mean of integers E and F is G, what is the mean of E, F, and H?

A. (G + H)/2
B. (G + H)/3
C. (E + F + H)/(G - 3)
D. G(E + F + H)/2
E. (2G + H)/3


Solution:
(E+F)/2 =G ==> E+F = 2G

Mean of E, F, and H = (E + F + H)/3
But E+F = 2G
Therefore, Mean of E,F, and H = (2G + H)/3

Option E
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Re: If the mean of integers E and F is G, what is the mean of E, F, and H? [#permalink]
18 Jul 2020, 10:57
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