Question
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11. Model Real Life You want to stack 7. cups in \( \frac{1}{4} \) minute. Your first attempt takes \( \frac{1}{2} \) minute. Your second attempt takes \( \frac{3}{10} \) minute less than your first attempt. Do you meet your goal? Explain.

Ask by Page Herrera. in the United States
Jan 24,2025

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Answer

En el segundo intento, tomaste \(\frac{1}{5}\) minuto para apilar 7 vasos, lo cual es menos tiempo que el objetivo de \(\frac{1}{4}\) minuto. Por lo tanto, sí, has logrado tu objetivo.

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The Deep Dive

In your quest to stack 7 cups within \( \frac{1}{4} \) minute, let's first break down your attempts. Your first attempt took \( \frac{1}{2} \) minute, which is 0.5 minutes. For your second attempt, you improved and completed it in \( \frac{1}{2} - \frac{3}{10} \) minutes, which calculates to \( \frac{2}{5} \) minutes or 0.4 minutes. Adding the time of both attempts together, we have \( \frac{1}{2} + \frac{2}{5} = \frac{10}{20} + \frac{8}{20} = \frac{18}{20} \) minutes, or 0.9 minutes. Since 0.9 minutes is greater than \( \frac{1}{4} \) minute (which is 0.25 minutes), unfortunately, you did not meet your goal. Just remember, even if you didn’t succeed this time, practice makes perfect! Keep stacking, and you’ll be timing those cups like a pro in no time!

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