Question

Three friends meet to share their rock collections:• Sarah has two rocks.• Camilla has three times as many rocks at Sarah.• Zachary has four times as many rocks as Camilla1) Draw a bar diagram to show how many rocks Zachary and Camilla have together.2) Show Zachary’s total using repeated addition.

Answer 1

`\begin{gathered} 2) \\ \text{Sarah has 2 rocks} \\ Camila\text{ }=\text{ 2 rocks+ 2 rocks+ 2 rocks}=\text{ 6 rocks} \\ Camila\text{ }has\text{ 6 rocks} \\ Zachary\text{ = 6 rocks+ 6 rocks+ 6 rocks+ 6 rocks} \\ Zachary\text{ has 24 rocks} \\ \\ 1)\text{ From the graph Camila and Zachary have 30rocks together} \end{gathered}`