SOLUTION: It costs d dollars to buy 6 chocolate bars, at the same rate how many dollars will it cost to buy 15 chocolate bars?

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Question 1101852: It costs d dollars to buy 6 chocolate bars, at the same rate how many dollars will it cost to buy 15 chocolate bars?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The rate is +d%2F6+ dollars for +1+ chocolate bar
+%28+%28+d%2F6+%29+%2F+1+%29%2A+15+=+%28+15%2F6+%29%2Ad+
+%28+5%2F2+%29%2Ad+ is the cost to buy 15 bars