Deborah makes 33 donuts every 7 hours. Using a proportion, determine how many whole donuts she will make in 5 hours.

Complete the proportion below.

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1 answer

To set up the proportion, we can write it as follows:

\[ \frac{33 \text{ donuts}}{7 \text{ hours}} = \frac{x \text{ donuts}}{5 \text{ hours}} \]

Now, we can cross-multiply to solve for \( x \):

\[ 33 \times 5 = 7 \times x \]

This simplifies to:

\[ 165 = 7x \]

Now, divide both sides by 7 to solve for \( x \):

\[ x = \frac{165}{7} \approx 23.57 \]

Since we want the number of whole donuts, we round down to 23. Therefore, the complete proportion looks like this:

\[ \frac{33}{7} = \frac{23}{5} \]

Deborah will make 23 whole donuts in 5 hours.

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