SOLUTION: A newspaper has current circulation of 30,000 and charges 65c per paper. For each 10c rise in price past experience indicates circulation will decrease by 2000. x=number of pri

Question 1045747: A newspaper has current circulation of 30,000 and charges 65c per paper.
For each 10c rise in price past experience indicates circulation will decrease by 2000.
x=number of price increases
price=0.65+0.10x
Find the increase price of the newspaper to obtain an income of $19,350
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = income from sales of papers

----------------------------
Use quadratic formula

15 increases in price will give an income of $19,350
-------------------
check:

I'm a little off from actual income. I must have
a math error, but my method is good , I think
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