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Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Someone me! if you’re smart you can solve this!

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c