SOLUTION: if something cost 91 dollars after a 30% sale what was the original price?

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Question 386474: if something cost 91 dollars after a 30% sale what was the original price?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
91=P%2A%281-30%2F100%29
P=91%2F0.7
P=130
Originally it was $130.