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Problem 4

$$ 12 \div \frac{1}{3} $$

Expert verified

The short answer is: To evaluate \(12 \div \frac{1}{3}\), first change the division to multiplication by using the reciprocal of \(\frac{1}{3}\), which is \(\frac{3}{1}\) or 3. Then, multiply \(12 \times \frac{3}{1}\) to get \(\frac{36}{1}\), which simplifies to 36. Therefore, \(12 \div \frac{1}{3} = 36\).

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Chapter 2

Chanel has read \(2 \frac{3}{4}\) books this summer. Morgan has read $1 \frac{1}{4}\( books. Morgan says Chanel has done \)2 \frac{1}{4}$ times more reading. Chanel says she has only done \(2 \frac{1}{5}\) times more reading. Who is correct? Use a number line to show your answer.

Chapter 2

Jennifer and Kim ate \(\frac{7}{8}\) of a pizza together. Kim ate \(\frac{2}{3}\) of that amount. How much of the whole pizza did Kim eat?

Chapter 2

Ahmad has \(7 \frac{1}{2}\) cups of trail mix. He wants to make \(\frac{3}{4}\)-cup servings for his friends. How many servings can he make? Use a number line to show your answer.

Chapter 2

$$ \frac{3}{8} \cdot \frac{2}{3} $$

Chapter 2

Anita can swim \(1 \frac{1}{8}\) meters per second. She swims for $50 \frac{1}{4}$ seconds. How many meters did she swim?

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