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

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Director
Joined: 01 May 2007
Posts: 793
County ---- Amount Recycles---- Amount Disposed Of [#permalink]

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17 Apr 2008, 15:47
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

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.
Manager
Joined: 16 Sep 2007
Posts: 215
Re: Can you find a way to solve quickly? [#permalink]

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17 Apr 2008, 16:04
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, 16:04
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