How long should I wait for my refund from Ihop?

I went to Ihop yesterday and the waitress messed up and I ended up paying for two different checks. She said I would be refunded but how long should I wait before I go back to find out what's going on? They haven't taken my tip either. Is it even possible to get my money back? I still have all the receipts... show more I went to Ihop yesterday and the waitress messed up and I ended up paying for two different checks. She said I would be refunded but how long should I wait before I go back to find out what's going on? They haven't taken my tip either. Is it even possible to get my money back? I still have all the receipts she gave me.
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