\begin{tabular}{l|l|}\hline Eoorbeeld 36 \\ \hline Van dorp A tot dorp B ry ' n motor teen ' n \\ te & \( \begin{array}{l}\text { Vemiddelde snelheid van } 60 \mathrm{~km} / \mathrm{h} \text {. Van dorp B } \\ \text { terug na dorp A ry die motor teen ' } \mathrm{n} \text { gemiddelde } \\ \text { snelheid van } 100 \mathrm{~km} / \mathrm{h} \text {. Wat was die gemiddelde } \\ \text { snelheid vir die hele reis? }\end{array} \)\end{tabular}

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

ppgave 11 ( 2 poeng) Etter et selskap er det \( \frac{4}{8} \) kake igjen som fire venner stal dele. Hvor mange brokdeler fär hver av dem?

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 ?

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 Rot a lollipop for \( R_{2} \) and a packet of chips for \( R_{55} \). What is his change? Show your calculations below.