SOLUTION: A sales person earns $80 for every computer he sells. He earns an additional $250 for every 10 computers he sells that month. How many computers does he need to sell in order to ea

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Question 668457: A sales person earns $80 for every computer he sells. He earns an additional $250 for every 10 computers he sells that month. How many computers does he need to sell in order to earn $2,340 in a month?
..the only thing I could think of was this:
250/80=2,340/x

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
A sales person earns $80 for every computer he sells.
He earns an additional $250 for every 10 computers he sells that month.
Earnings = 80x + 250(x/10) = 2340
105x = 2340
x = 22.3 At least 23. 23%2A80+%2B+500+=+2340