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12 October, 02:49

Jonah has a recipe that uses 1 1 2 cups of brown sugar and 2 1 3 cups of flour to make 24 muffins. He has a total of 7 cups of flour. Jonah wants to use all of his flour to make as many muffins as possible using this Exactly how many cups of brown sugar will Jonah use if he uses all 7 cups of flour?

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  1. 12 October, 04:06
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    He will use 4 1/2 cups of brown sugar.

    We first find out how many batches of this recipe he can make using 7 cups of flour. We divide 7 by the 2 1/3 c necessary for the recipe:

    7 : 2 1/3 = 7/1 : 7/3 = 7/1 * 3/7 = 21/7 = 3

    He can make 3 batches.

    Each batch takes 1 1/2 cups of brown sugar; 3 * 1 1/2 = 3 * 3/2 = 3/1 * 3/2 = 9/2 = 4 1/2.
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