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The average (arithmetic mean) of 3 numbers is 37.5.

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Carcass
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The average (arithmetic mean) of 3 numbers is 37.5. [#permalink] New post   02 Jul 2020, 08:28
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The average (arithmetic mean) of 3 numbers is 37.5.


Quantity A
Quantity B
The sum of the three numbers
100



A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
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Carcass
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Re: The average (arithmetic mean) of 3 numbers is 37.5. [#permalink] New post   02 Jul 2020, 08:28
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Re: The average (arithmetic mean) of 3 numbers is 37.5. [#permalink] New post   02 Jul 2020, 09:14
Carcass wrote:
The average (arithmetic mean) of 3 numbers is 37.5.


Quantity A
Quantity B
The sum of the three numbers
100



Given: The average (arithmetic mean) of 3 numbers is 37.5
We can write: (sum of all three numbers)/3 = 37.5
Multiply both sides of the equation by 3 to get: sum of all three numbers = (37.5)(3) = 112.5

We get:
QUANTITY A: 112.5
QUANTITY B: 100

Answer: A

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Re: The average (arithmetic mean) of 3 numbers is 37.5. [#permalink]
02 Jul 2020, 09:14
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