SOLUTION: A store employee notices that balance beams that cost her store $340 are being sold for $680. What is the mark-up percentage?

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Question 995498: A store employee notices that balance beams that cost her store $340 are being sold for $680. What is the mark-up percentage?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
340/340=1=100%