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Default Logarithmic equation


As basic as this might seem I cannot find the value of -y- in this
equation.I need it to determine at which level my department will be in
terms of sales on day 21.Hence, -x- in the equation representing 21.

_Y=278,85LN(X)+2030,2_

Can anyone please help, its my first time in this forum so I hope I was
clear with my problem.Thankyou


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Default Logarithmic equation

In cell A1 enter 21.
In cell B1 enter this formula:
=278.85*LN(A1)+2030.2
Your answer should be 2879.165

- Jon
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Jon Peltier, Microsoft Excel MVP
Peltier Technical Services
774-275-0064
208-485-0691 fax

http://PeltierTech.com/
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"Pedro Monteiro"
<Pedro.Monteiro.2cxuqr_1156245005.4582@excelforu m-nospam.com wrote in
message news:Pedro.Monteiro.2cxuqr_1156245005.4582@excelfo rum-nospam.com...

As basic as this might seem I cannot find the value of -y- in this
equation.I need it to determine at which level my department will be in
terms of sales on day 21.Hence, -x- in the equation representing 21.

_Y=278,85LN(X)+2030,2_

Can anyone please help, its my first time in this forum so I hope I was
clear with my problem.Thankyou


--
Pedro Monteiro
------------------------------------------------------------------------
Pedro Monteiro's Profile:
http://www.excelforum.com/member.php...o&userid=37865
View this thread: http://www.excelforum.com/showthread...hreadid=574119



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