SOLUTION: i need help please? if one pen cost d dollars, what is the cost, in dollars, of 15 pens?

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Question 563680: i need help please? if one pen cost d dollars, what is the cost, in dollars, of 15 pens?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
1 pen = d dollars


15*1 pen = 15*d dollars


15 pens = 15d dollars
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