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County ---- Amount Recycles---- Amount Disposed Of

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Director
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Joined: 01 May 2007
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County ---- Amount Recycles---- Amount Disposed Of [#permalink] New post 17 Apr 2008, 14:47
County ---- Amount Recycles---- Amount Disposed Of
A-----------16,700--------------------142,800
B-----------8,800----------------------48,000
C------------13,000--------------------51,400
D------------3,900----------------------20,300
E------------3,300----------------------16,200

The table above shows the amount of waste material, in tons, recycled by each of five counties in a single year and the amount of waste material, also in tons, that was disposed of in landfills by the five counties in that year. Which county had the lowest ratio of waste material disposed of to waste material recycled in the year reported in the table?

A
B
C
D
E

How can you calculate the ratio quickly?? The OG actually divides each one out.
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Joined: 16 Sep 2007
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Re: Can you find a way to solve quickly? [#permalink] New post 17 Apr 2008, 15:04
a. 17/140~20/140~1/7 eliminate
b. 9/48~1/5 -> 9*5=45 so less than 1/5
c. 13/51~greater than 1/5
d 4/20=1/5
e 3/16~less than 1/5

C
Re: Can you find a way to solve quickly?   [#permalink] 17 Apr 2008, 15:04
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County ---- Amount Recycles---- Amount Disposed Of

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