**Question description:**

*This user has given permission to use the problem statement for this blog.*

How do I find the numbers whose average is equal to 321. Each of the 6 numbers has a parameter. (0,50),(51,100),(101,150),(151,200),(201,300),(301,500).

Solved by M. A. in 37 mins

This is the chat thread from the real Excelchat help session. It contains no private user information.

Excelchat Expert
05/10/2018 - 06:43

Hi…Welcome to Got It Pro. I see that your question is about fixing formulas.

User
05/10/2018 - 06:43

yes

Excelchat Expert
05/10/2018 - 06:43

I can help you with that problem.

Excelchat Expert
05/10/2018 - 06:43

Before we get started, this is a quick reminder that our policy is 1 problem per session with additional Q&A on that problem as time allows.

User
05/10/2018 - 06:43

ok

Excelchat Expert
05/10/2018 - 06:44

Could you please elaborate a little on what exactly you require?

Excelchat Expert
05/10/2018 - 06:44

It will be of great help if you could illustrate in the preview sheet.

User
05/10/2018 - 06:46

the values in B9:G9 need to be determined by the parameters in B1:G1, and must be equal to the AQI value in B7

Excelchat Expert
05/10/2018 - 06:47

Do you mean to determine the Level of Health concern in B7?

Excelchat Expert
05/10/2018 - 06:48

I can create a formula for that.

User
05/10/2018 - 06:48

no i am able to do that easily once i find the numbers in B9:G9

User
05/10/2018 - 06:49

their average, within those parameters for each column, needs to equal 321

Excelchat Expert
05/10/2018 - 06:49

Oh ok..so you mean AQI value in cell B6?

User
05/10/2018 - 06:49

yes

Excelchat Expert
05/10/2018 - 06:51

Could you please give an example in this scenerio?

Excelchat Expert
05/10/2018 - 06:51

What numbers should appear in row 9?

User
05/10/2018 - 06:52

See B1, B9 should be a number between 0-50

Excelchat Expert
05/10/2018 - 06:52

Let me check my understanding.

User
05/10/2018 - 06:52

and so on, row 1 are the parameters

Excelchat Expert
05/10/2018 - 06:53

B9 should be any number between 0-50

User
05/10/2018 - 06:53

yes

Excelchat Expert
05/10/2018 - 06:53

C9 should be any number between 51 - 100

Excelchat Expert
05/10/2018 - 06:53

and so on

Excelchat Expert
05/10/2018 - 06:53

And then the average must equal to 321 for all 6 categories.

User
05/10/2018 - 06:53

correct

Excelchat Expert
05/10/2018 - 06:53

Is my understanding correct?

Excelchat Expert
05/10/2018 - 06:53

Ok..got you. Let me build the formula for B9 to G9.

Excelchat Expert
05/10/2018 - 06:54

This will take me couple of minutes. Please be with me.

Excelchat Expert
05/10/2018 - 06:54

Please do extend the time when prompted. Thanks!

User
05/10/2018 - 06:54

OK

Excelchat Expert
05/10/2018 - 07:07

Does the values in B9:C9 need to be always integers?

User
05/10/2018 - 07:07

yes

Excelchat Expert
05/10/2018 - 07:09

I am doing this through solver and I am adding all the constraints.

Excelchat Expert
05/10/2018 - 07:18

[Uploaded an Excel file]

Excelchat Expert
05/10/2018 - 07:18

I have added the solver scenerio in this file. Please go to Data >> Solver and click Solve.

Excelchat Expert
05/10/2018 - 07:19

Unfortunately, it is unable to solve for average 321 with the applied constraints.

Excelchat Expert
05/10/2018 - 07:19

But you can check for other values.

User
05/10/2018 - 07:19

Thank you for your help

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