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How many items did BOb produce

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Senior | Next Rank: 100 Posts
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by crak.gmat » Sat Sep 20, 2008 1:57 pm
Explanations please!!
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Source: — Data Sufficiency |
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by crak.gmat » Sat Sep 20, 2008 1:58 pm
OA is E
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by Fab » Sat Sep 20, 2008 9:06 pm
Well, this is a tricky question:

Statement 1: Insufficient

Statement 2: Insufficient

Combine:
Ammount expend last week 480$
Ammount expend this week 510$ (Two more units)
So 510-480=30$ Each unit is $15

If you divide 510/15 = 34 units
If you divide 480/15 = 32 units

So you could have produced 32 units last week, but 15$ could also be the price of 1.5(x) and in this case x would be $10. If you plugged some numbers you will note that you could have produced 36 units @ $10 + 8 more units @ $15 and get a total of $480. So in this case your total units produced would be 44 or 46...

Hence E
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