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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?

 Apr 6, 2020
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We have 8+13=21 ounces of jelly beans. One pound is 16 ounces, so the next integer after 16 is 32. 32-21=11. 

We need 11 ounces of white jelly beans.

 

smileysmileysmileysmileysmiley

 Apr 6, 2020

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