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by bluechic » Fri Jun 13, 2008 6:00 pm
240 + (5% of total sales exceeding 800) = 450

total sales = x

240 + 5%(x-800) = 450
5%(x) = 450-240 + 40
5x = 25000
x = 5000
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by dalwow » Mon Jun 16, 2008 11:02 am
It looks like you approached it in a good way. I'm guessing you divided 21000/5 which gave you 4200. The thing you forgot was these are the sales in excess of $800, so you need to add 800 to the 4200. This would have given you the answer of $5000.
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