Mathematics
msojeda2001
20

A biscuit recipe calls for 3 2/3 cups of flour for 1 batch. How many cups are needed for 3 1/4 batches?

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(2) Answers
tgmevergreen

Multiply 3.6666 by 3.25 to get 11.9167 cups. 

mcguirem141

This problem can be solved easily using a proportion: [latex] 3\frac{2}{3} - 1[/latex] [latex]x - 3\frac{1}{4} [/latex] So, [latex]x= \frac{3\frac{2}{3} * 3\frac{1}{4}}{1}=3\frac{2}{3} * 3\frac{1}{4}=\frac{11}{3} * \frac{13}{4}=\frac{11*13}{3*4}=\frac{143}{12}=11\frac{11}{12}[/latex] The answer:  [latex]11\frac{11}{12}[/latex] cups are needed.

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