Warning: This comment discusses the answer to one of the questions!
I disagree with their answer to number 7. The question is:
If .4 < x < 1/2, x could equal:
* 40% * None of the above * 45% * 50%
I answered "none of the above" because x must be a number, and percentages by themselves are not numbers. Percentages are meaningless by themselves. You can speak of "25% of 12" or "25% of men", but "25%" by itself isn't anything. While it's true that you can compute "25% of 12" by multiplying 12 by .25, it does not follow that 25% and .25 are the same thing. They are very different.
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I disagree with their answer to number 7. The question is:
If .4 < x < 1/2, x could equal:
* 40%
* None of the above
* 45%
* 50%
I answered "none of the above" because x must be a number, and percentages by themselves are not numbers. Percentages are meaningless by themselves. You can speak of "25% of 12" or "25% of men", but "25%" by itself isn't anything. While it's true that you can compute "25% of 12" by multiplying 12 by .25, it does not follow that 25% and .25 are the same thing. They are very different.
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