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Cindy built 4 toys in 20 minutes. At that rate, how many toys would she build in 8 hours?
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Answer

\( \text{Total toys} = \frac{4}{20}\times480 = 96 \text{ toys} \)

Steps

Step 1 ：\( \text{Rate = }\frac{\text{Toys}}{\text{Time}}\Rightarrow\text{Rate} = \frac{4}{20} \text{ toys/minute} \)

Step 2 ：\( \text{Total toys = Rate }\times\text{ Time}\Rightarrow\text{Total toys} = \frac{4}{20}\times480\text{ toys} \)

Step 3 ：\( \text{Total toys} = \frac{4}{20}\times480 = 96 \text{ toys} \)