SOLUTION: company A rents copiers for a monthly charge of $250 plus 10 cents per copy. Company B rents copiers for a monthly charge of $500 plus 5 cents per copy. What is the number of copie
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Question 309163: company A rents copiers for a monthly charge of $250 plus 10 cents per copy. Company B rents copiers for a monthly charge of $500 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!
250+.10x>500+.05x
.10x-.05x>500-250
.05x>250
x>250/.05
x>5,000 copies is the same cost for Co.A & B.
More than 5,000 copies Co. a will be more expensive.
Proof:
Let copies be=5,001
250+.10*5,001>500+500+.05*5,001
250+500.1>500+25.005
750.01>750.005
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