A concept/question/ SOMETHING thats gettin me

sangr
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Joined: Sun Jun 07, 2009 4:45 pm

A concept/question/ SOMETHING thats gettin me

Postby sangr » Fri Mar 12, 2010 2:04 am

ok so a stimulus states that
in country a, within a certain time period, total coal usage increased less than 10 percent.
however, a certain type of coal usage, lets say coal type A, went up by more than 50 percent.

thus the answer is that, proportion of coal type A increased, amongst TOTAL coal.

ok so thats a relatively simple concept but im just wondering.

what if TOTAL coal type usage was something 50 billion, in absolute pounds.
and coal type A usage was something like .1

ok so taking this into consideration, lets say the 50 billion total was increased less than 10 percent.
and the coal type A usage was raised by 50%, or .15

then does this, even in these ridiculous terms, constitute that the coal type A constitutes more of coal usage than it did before?
or am i not understanding this correctly? i tried many numbers that are big, and everytime i tried it was indeed true that coal type A did constitute more..but DAMN if it is then isnt this a math question in many ways?

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ConMan345
Posts: 577
Joined: Tue Sep 29, 2009 1:08 pm

Re: A concept/question/ SOMETHING thats gettin me

Postby ConMan345 » Fri Mar 12, 2010 2:10 am

sangr wrote:ok so a stimulus states that
in country a, within a certain time period, total coal usage increased less than 10 percent.
however, a certain type of coal usage, lets say coal type A, went up by more than 50 percent.

thus the answer is that, proportion of coal type A increased, amongst TOTAL coal.

ok so thats a relatively simple concept but im just wondering.

what if TOTAL coal type usage was something 50 billion, in absolute pounds.
and coal type A usage was something like .1

ok so taking this into consideration, lets say the 50 billion total was increased less than 10 percent.
and the coal type A usage was raised by 50%, or .15

then does this, even in these ridiculous terms, constitute that the coal type A constitutes more of coal usage than it did before?
or am i not understanding this correctly? i tried many numbers that are big, and everytime i tried it was indeed true that coal type A did constitute more..but DAMN if it is then isnt this a math question in many ways?


If a part increases more than the rest, it's going to gain a greater portion of the whole.

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ConMan345
Posts: 577
Joined: Tue Sep 29, 2009 1:08 pm

Re: A concept/question/ SOMETHING thats gettin me

Postby ConMan345 » Fri Mar 12, 2010 2:11 am

Also, yes, the LSAT is full of statistically-based inferences.

sangr
Posts: 459
Joined: Sun Jun 07, 2009 4:45 pm

Re: A concept/question/ SOMETHING thats gettin me

Postby sangr » Fri Mar 12, 2010 2:15 am

ConMan345 wrote:
sangr wrote:


If a part increases more than the rest, it's going to gain a greater portion of the whole.



I see, thanks. That clears everything up perfectly, worded in those terms.

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ConMan345
Posts: 577
Joined: Tue Sep 29, 2009 1:08 pm

Re: A concept/question/ SOMETHING thats gettin me

Postby ConMan345 » Fri Mar 12, 2010 2:16 am

You're very welcome. :) Glad I could help




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