Alexa has a mixture consisting of 8 ounces of red jelly beans and 13 ounces of green jelly beans. What is the minimum number of ounces of white jelly beans she must buy so that, when added to the old mixture, her new mixture is an integer number of pounds?
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<|im_start|>user
Alexa has a mixture consisting of 8 ounces of red jelly beans and 13 ounces of green jelly beans. What is the minimum number of ounces of white jelly beans she must buy so that, when added to the old mixture, her new mixture is an integer number of pounds?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
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Alexa has a mixture consisting of 8 ounces of red jelly beans and 13 ounces of green jelly beans. What is the minimum number of ounces of white jelly beans she must buy so that, when added to the old mixture, her new mixture is an integer number of pounds?
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