October 1st, 2009, 06:21 AM  #1 
Newbie Joined: Oct 2009 Posts: 1 Thanks: 0  Easy business equation
I'm in a math retarded industry who has advanced programmers, none of which are asking the right question. Please help. I am an assistant who needs an easy equation written that I can figure out how to plug into an excel spreadsheet. Feel free to help with that too :O) Question: I have X amount of widgets, that I sell for an average rate of $50, then I sell x amount of widgets at a lower rate of $45. How do I find the decrease in percentage of average widget rate, by having sold that second discounted set of widgets? Any help would save lots of people, many more years of heartache. Thanks! 
October 2nd, 2009, 07:38 PM  #2  
Senior Member Joined: Aug 2008 From: Blacksburg VA USA Posts: 338 Thanks: 4 Math Focus: primes of course  Re: Easy business equation Quote:
Offer only higher price  sell X+? at $50 vs X*$50+x*$45. Note that (X+x) does not necessarily = ?, and we can't even presume X>x Using made up values as if all was known, if (?,X,x=(20,80,30), then (X+20)*$50 vs 80*$50+30*$45 yields datum=100*$50=$5000 vs $5350. In this case, there is an INCREASE of (53505000)/5000=7% in $$ received Now the final average selling price cannot be >$50, so you are correct that a decrease is seen. From the example, the average price went to (80*50+30*45)/110=$48.64 for a decrease in unit sell cost of (5048.64)/50 = 2.72% Make sense? Myself, I'd care about largest net profit all other factors aside  

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