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June 14th, 2016, 08:14 AM   #1
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A little complex problem I would like you guys to solve, and to help me as well :)

Hello i'm new to the forum , and i have been recently trying to find a formula for some numbers, but with no success.

example:
Quote:
 value 3 = 11 value 5 = ? value 6 = ? value 7 = 34 value 10 = ? value 11 = ? value 12 = 88 value 13 = ? value 14 = 137 value 15 = ? value 16 = 176 value 17 = ? value 18 = 220 value 19 = ? value 20 = 269 value 22 = ? value 23 = 411 value 24 = ? value 25 = 530 value 27 = ? value 28 = 750 value 29 = ? value 30 = 926 value 32 = ? value 33 = 1240 value 34 = ? value 35 = 1561
another...

Quote:
 each value is calculated by its number divided by 2 so in this case value 3 = 11 so 5,5 + 5,5 value 12 (88;2x44) + value 14 (137;2x68,5) = 112,5 but the required value is 122 which makes a difference of 9,5 BUT value 14 + value 12 for a value of 103 which is the same difference 9,5
another example:

Quote:
 value 3 (11/2x5,5) + value 7 (34/2x17) = 22,5 should make 27 so a difference of 4,5 same goes the other way around value 7 + value 3 should make 18 so also a difference of 4,5
and yet another more complex example

Quote:
 value 33 (1240;2x620)+4 + value 35 (1561;2x780,5)+4 = 1408,5 what should the difference be? and what is the required number?
If this is too hard to solve or you can't find the solution then there's no problem, all i want is for everyone to help

One last thing, if you can find all the formulas and calculations please post them, all i want to know is HOW to reach the solution

Last edited by DevilOwnpag; June 14th, 2016 at 09:14 AM.

 June 14th, 2016, 08:26 AM #2 Senior Member   Joined: Feb 2016 From: Australia Posts: 1,834 Thanks: 650 Math Focus: Yet to find out. Which exercise is your poll referring to? Or does it refer to all.
June 14th, 2016, 08:27 AM   #3
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Quote:
 Originally Posted by Joppy Which exercise is your poll referring to? Or does it refer to all.
to all, something in general

 June 16th, 2016, 01:19 AM #4 Newbie   Joined: Jun 2016 From: Portugal Posts: 3 Thanks: 0 By the way, if you can't solve it, there's no biggy, it's just some thing i wanted to "try" to know about, but i don't really see if this thing really has a formula :P But if anyone can solve, i give you my greatest honors
 June 16th, 2016, 01:24 AM #5 Senior Member   Joined: Dec 2015 From: holland Posts: 162 Thanks: 37 Math Focus: tetration It is painfully easy!
 June 16th, 2016, 12:21 PM #6 Newbie   Joined: Jun 2016 From: Uk Posts: 2 Thanks: 0 Extracting data I want to know how I can find out what the number of attendees are based on the last 11 months and extrapolate this from an annual data sheet showing the last 12 months for example ; a total of 600 people attended courses 200 went onto employment 200 volunteered 200 did nothing The data I have is for 12 months I would like to know what this would be over 11 months please Anyone know?
June 16th, 2016, 12:41 PM   #7
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Quote:
 Originally Posted by Manishapattni I want to know how I can find out what the number of attendees are based on the last 11 months and extrapolate this from an annual data sheet showing the last 12 months for example ; a total of 600 people attended courses 200 went onto employment 200 volunteered 200 did nothing The data I have is for 12 months I would like to know what this would be over 11 months please Anyone know?
it would be wise to start a new problem with a new thread ...

June 17th, 2016, 10:29 AM   #8
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Math Focus: Elementary mathematics and beyond
Quote:
 Originally Posted by Manishapattni I want to know how I can find out what the number of attendees are based on the last 11 months and extrapolate this from an annual data sheet showing the last 12 months for example ; a total of 600 people attended courses 200 went onto employment 200 volunteered 200 did nothing The data I have is for 12 months I would like to know what this would be over 11 months please Anyone know?
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