Algebra

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Article #553

#553

From: srinivasan
Date: Fri, 02 May 1997 00:00

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I am a student of grade 10 ( O Level )and have a problem which I have
solved but it took a considerable amount of time as I did it by trial and
error method . I would be grateful if you would show an easier method

The stumper is......

Articles X,Y and Z are for sale.Article X can be bought at the rate of
eight for $1, Article Y costs $1 each and article Z costs $10 each.I buy
a selection of all  three types and find that I have purchased exactly
100 articles at a cost of $100 .How many articles of each type do I have?

Thanking you once again.
Karthick

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From: srinivasan@pspro.org.kw
Subject: Algebra
Date: 1997/05/02
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