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Re: Dollar discount [#permalink]
05 Oct 2009, 10:15

For stmt2, C is 10 less than S. Now even if C gives the same percentage of discount the $ discount of C will be less than S. If C gives 2% further discount, then $ discount in C will still be less.

Re: Dollar discount [#permalink]
05 Oct 2009, 10:38

Expert's post

Economist wrote:

For stmt2, C is 10 less than S. Now even if C gives the same percentage of discount the $ discount of C will be less than S. If C gives 2% further discount, then $ discount in C will still be less.

Or ?? any counter examples?

Not so:

Case A: C=100 Dc=12% Discount12$> S=110 Ds=10% Discount=11$ Case B: C=20 Dc=12% Discount2.4$< S=30 Ds=10% Discount=3$

Re: Dollar discount [#permalink]
05 Oct 2009, 11:00

Cool, so for problems in which two quantities increase or decrease by two different percentages we CANNOT conclude anything about the actual numerical values unless we know ATLEAST 3 values

Re: Dollar discount [#permalink]
05 Oct 2009, 11:15

Expert's post

Economist wrote:

Cool, so for problems in which two quantities increase or decrease by two different percentages we CANNOT conclude anything about the actual numerical values unless we know ATLEAST 3 values

Not exactly so, if we were told (or if we were able to determine from statement 1 or/and 2) that coat costs less then sweater and discount for coat was less then that for sweater, we would be able to conclude that discount in dollars for sweater is more. _________________

Re: Dollar discount [#permalink]
05 Oct 2009, 11:29

Bunuel wrote:

Economist wrote:

Cool, so for problems in which two quantities increase or decrease by two different percentages we CANNOT conclude anything about the actual numerical values unless we know ATLEAST 3 values

Not exactly so, if we were told (or if we were able to determine from statement 1 or/and 2) that coat costs less then sweater and discount for coat was less then that for sweater, we would be able to conclude that discount in dollars for sweater is more.

Thank you for explaning that Bunuel. I am bit lazy today!! May be its because of weather outside

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