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MathGroup Archive 2000

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Little(?) problem: What is the formula ???

  • To: mathgroup at smc.vnet.net
  • Subject: [mg21911] Little(?) problem: What is the formula ???
  • From: "Nijntje ?" <a.vanrossem at bellt-gca.nl>
  • Date: Fri, 4 Feb 2000 02:54:41 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Hello All !

I have two "series" of data :
The first serie are "normal values"
The seccond serie represents a percentage(Value) of an amount(Nominator)

Serie 1)
Value  Nominator
100  1
150  1
125  1


Serie 2)
Value  Nominator
10  100
12  200
15  300

The Problem:
--------------------------------------------------------------------------
I want to find a GENERAL formula to calculate the SUM of these series,
So a formula which gives the following results

Serie 1)   365
Serie 2)   13,1


Explanation results:
Serie 1) 100+150+125 = 375

serie 2)   10% of 100 = 10
  12% of 200 = 24
  15% of 300 = 45
So total amount = 600 and the fraction=79 so that is 13.1%



What is the general formula  (using value and nominator) ?????????


Thank you very much !!!







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