а) \( \frac{14}{17} \cdot \frac{34}{63} \);

Rafael wants to buy the same number of gift bags and bows. Gift bags are sold in packs of 6 . Bows are sold in packs of 9 . What is the least number of gift bags and bows that Rafael can buy?

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.

10 - Para se obterem 28 kg de farinha, săo necessários 40 kg de trigo. trigo são necessários para se obterem 7 kg de farinha?

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

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?