3.2.3 The compost that Sam uses states that one bag can cover \( 11,8 \mathrm{~m}^{2} \). Sam calculated that he would need 12 bags. Determine if his calculation is correct.

3. \( \sqrt[3]{189} \)

Question Tristan was out at a restaurant for dinner when the bill came. His dinner came to \$22. He wanted to leave a \( 16 \% \) tip. How much was his meal plus the tip, before tax, in dollars and cents? Answer Attempt 1 out of 4

23) Resuelve las operaciones siguientes y simplifica. \( \begin{array}{ll}\text { a) } \frac{5}{6}+\frac{1}{3} \cdot \frac{2}{5} & \text { b) } \frac{5}{6}+\frac{1}{3}: \frac{2}{5} \\ \text { c) } \frac{13}{2}-\frac{1}{2} \cdot \frac{11}{4} & \text { d) } 9+\frac{10}{3}: \frac{5}{6} \\ \text { e) } \frac{5}{6}-\frac{3}{4} \cdot \frac{2}{5}+\frac{3}{2} & \text { f) } 2: \frac{8}{5}-\frac{16}{3}: 4\end{array} \)

2. A cat owner gets a vitamin prescription from his veter- inarian that lists the dosage as 2.5 mL twice a day. The bottle contains 200 cc . How many days will the bottle last?

d) \( \left(\frac{2}{3} \div \frac{8}{9}\right) \div \frac{5}{3} \)