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[intro to calculation] pose problems N.-1

Started by ZDresearcher Feb 18, 2012 at 12:33 AM 4 replies 1.8k views

Original Post

Feb 18, 2012 at 12:33 AM

so here we have :

1.- A certain amount of people have to pay in same parts a total of $72 000 dollars. If they would be 3 less people then each one will have to contribute with $4000 dollars more . How many people are?

come on guys I have confidence in you

ZDresearcher

Feb 18, 2012 at 6:24 PM

the answer is 9 win

KanonBaum

Feb 20, 2012 at 5:54 PM

What.

meeshoo

Mar 1, 2012 at 5:05 PM

You answered your own question? LOL

Concentrate

Mar 4, 2012 at 5:50 PM

the answer is 9 win

May I ask how you came up with that answer? From your question, I generate the following equation

$perPerson = 72,000 / n
4000 = 72,000 / (n-3)

n = 72000/4000 + 3 = 21

So I thought the answer would be 21. Maybe my initial equation is wrong.

RulerOfNothing

Mar 6, 2012 at 4:35 AM

The question says "$4000 more" so you want $perPerson + 4000 = 72000/(n-3).

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