\begin{tabular}{l} Tell whether the fractions are equivalent. \\ \( \begin{array}{llll}\text { 2. } \frac{5}{6}, \frac{15}{18} & \text { 3. } \frac{20}{24}, \frac{5}{8} & \text { 4. } \frac{14}{15}, \frac{21}{24} & \text { 5. } \frac{4}{6}, \frac{8}{12}\end{array} \) \\ \( \begin{array}{llll}\text { 7. Find the Error Describe and } \\ \text { correct the error in simplifying } \frac{24}{42} & \text { 6. } \frac{12}{18}, \frac{8}{32}\end{array} \) \\ Write the fraction in simplest form. \( \frac{24}{42}=\frac{8 \cdot 8^{-1}}{14 \cdot \frac{3}{3}}=\frac{8}{14} \) \\ \( \begin{array}{llll}\text { 8. } \frac{32}{72} & \text { 9. } \frac{6}{21} & \text { 10. } \frac{15}{21} & \text { 11. } \frac{12}{35}\end{array} \) \\ \hline\end{tabular}

Sinhle's mom gave him \( R_{20} \) to go to the shop. He buys a coke for \( R_{10,} \) a lollipop for \( R_{2} \) and a packet of chips for \( R_{5} \). What is his change? Show your calculations below.

d. \( 1-\left[\frac{4}{5}+\left(-\frac{2}{21}-\frac{8}{14}\right)-\left(\frac{4}{3}-\frac{11}{5}+1\right)\right]+\frac{15}{6}-\left(3+\frac{7}{9}-\frac{5}{3}\right)+1 \).

Use Structure Suppose Ms. Bush charges \( \$ 4 \) per baseball. Would each team pay more if there are 6 teams or 9 teams? Compare by writing the symbol \( >,< \), or \( = \). Tell how to decide without computing.

Find the factors of 20. Complete the factor pair. 20: \( 1,2,[],[,, \square,[?], 20 \) Enter the number that belongs in the green box. Hint: What times 2 is 20 ?

A health care provider order reads: Penicillin G sodium 500,000 units IV every 6 hours. Your client weighs 35 lbs . The maximum safe dose is 150,000 units \( / \mathrm{kg} / \mathrm{day} \), in equally divided doses, every 4 to 6 hours - What is the total dose per 24 hours?