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(no subject)
Posted:
Nov 14, 2005 1:49 PM
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Date: Sun, 13 Nov 2005 13:54:01 -0500
To: numeracy@europe.std.com
From: Ed Wall <ewall@umich.edu>
Subject: Re:
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Probably wrong (smile), but b) £9.36
One possible way to read the problem seems to be as follows:
Let P be the old price and P' the new, then P'=1.3*P
Let E be the number of eggs, then (E-3)*P' = £7.80 and E*P = £7.80
Solving gives 13 eggs and hence P' = £.78
Ed Wall
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>Date: Sat, 12 Nov 2005 17:05:07 EST
>From: becci <discussions@mathforum.org>
>To: numeracy@world.std.com
>Subject: eggs situation need help!!
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>due to a 30% increase in the price of eggs, 3
>less eggs are available for £7.80.is the
>present rate of eggs per dozen is:
>a) £8.64
>b) £9.36
>c) £8.88 or
>d) £10.40? and how did you get that?
>
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