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jimmyjamesdonkey
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What is the value of tv/w? 1) 7t = 6w and v = 2w 2) t/w = 27 Aug 2007, 16:56
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What is the value of tv/w?

1) 7t = 6w and v = 2w

2) t/w = 6/7 and v/2 = 14

Try this one out folks....



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What is the value of tv/w? 1) 7t = 6w and v = 2w 2) t/w = 27 Aug 2007, 17:02
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jimmyjamesdonkey
What is the value of tv/w?

1) 7t = 6w and v = 2w

2) t/w = 6/7 and v/2 = 14

Try this one out folks....
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I got B.
(1) t = (6/7)w and v=2w
Cannot cancel out anything here, will always left with w.
INSUFFICIENT.

(2) tv/w = (6/7)*2*14
SUFFICIENT
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What is the value of tv/w? 1) 7t = 6w and v = 2w 2) t/w = 27 Aug 2007, 17:10
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That is correct, but I got this one wrong. I thought A could solve it as well.

My reasoning was:

tv/w = t/w * v/w

And from 7t = 6w I could find

t/w = 6/7

and from v = 2w I could find

v/w = 2.

Can you tell me where I screwed up?
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What is the value of tv/w? 1) 7t = 6w and v = 2w 2) t/w = 27 Aug 2007, 17:12
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jimmyjamesdonkey


tv/w = t/w * v/w

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This is where you may be doing it too fast. Does not equal.
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jimmyjamesdonkey
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What is the value of tv/w? 1) 7t = 6w and v = 2w 2) t/w = 27 Aug 2007, 17:16
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Damn, for some reason I thought I could distribute the w across the integers in the numerator. This would work if I was adding in the numerator right?
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What is the value of tv/w? 1) 7t = 6w and v = 2w 2) t/w = 27 Aug 2007, 17:23
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jimmyjamesdonkey
That is correct, but I got this one wrong. I thought A could solve it as well.

My reasoning was:

tv/w = t/w * v/w

And from 7t = 6w I could find

t/w = 6/7

and from v = 2w I could find

v/w = 2.

Can you tell me where I screwed up?
Show more


B. we have to find the value of tv/w not tv/ww. you did the second one.
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bkk145
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What is the value of tv/w? 1) 7t = 6w and v = 2w 2) t/w = 27 Aug 2007, 17:23
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****, for some reason I thought I could distribute the w across the integers in the numerator. This would work if I was adding in the numerator right?
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Yes, you are right.
If this is what you mean:
(t+s)/w = t/w + s/w
This is equal.
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What is the value of tv/w? 1) 7t = 6w and v = 2w 2) t/w = 27 Aug 2007, 17:28
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eh, still did pretty decent. I got a 40 on this quant test. That's not to bad, huh?



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