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How to solve this question. I need to show my work for this question.

A cookie recipe calls for 3 eggs and makes 4 dozen cookies.
a). How many cookies could you make with a dozen eggs?
b). How many eggs would you need to make 18 dozen cookies?

User Yota
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1 Answer

7 votes

Explanation:

Recall that 1 dozen = 12 so 4 dozen cookies has a total of 48 cookies. We are going to use the following ratios to solve the problem:


\left(\frac{3\:\text{eggs}}{48\:\text{cookies}}\right) and
\left(\frac{48\:\text{cookies}}{3\:\text{eggs}}\right)

a)
12\:\text{eggs}×\left(\frac{48\:\text{cookies}}{3\:\text{eggs}}\right) = 192\:\text{cookies}

b) 18 dozen cookies = 216 cookies


216\:\text{cookies}×\left(\frac{3\:\text{eggs}}{48\:\text{cookies}}\right) = 13.5\:\text{eggs}

User DhiwaTdG
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