Question 332839: Company A rents copiers for a monthly charge of $200 plus 10 cents per copy. Compay B rents copiers for a monthly charge of $400 plus 5 cents per copy. What is the number of copies above which Company A's charges are the higher of the two?
Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! COMPANY 'A'>COMPANY 'B'
200+.10C>400+.05C
200-400>.05C-.10C
-200>-.05C
-200/-.05
4,000
PROOF:
LET C=4,001
200+.10*4,001>400+.05*4,001
200+400.1>400+200.05
$600.1>$600.05
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