SOLUTION: Denise is selling roses. She sold 3 for $5 and 5 for $7. What will Denise charge for 12 roses if she keeps selling roses at the same rate ?

SOLUTION: Denise is selling roses. She sold 3 for $5 and 5 for $7. What will Denise charge for 12 roses if she keeps selling roses at the same rate ?

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Question 569581: Denise is selling roses. She sold 3 for $5 and 5 for $7. What will Denise
charge for 12 roses if she keeps selling roses at the same rate ?
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
7/9 , 9/11 , 11/13 , 13/15
so we know its between 13 and 15 dollars
it makes since that its adding a dollar more per rose
3 for 5 4 for 6 5 for 7 6 for 8 7for 9
so 11 for 13 , 12 for 14 , 13 for 15
12 for 14 dollars
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