Question

reshma is making a necklace using green beads and purple beads in a ratio represented on the following double number line fill in the missing values on the diagram and then answer the following question

Answer 1

From the double number line, we can see that the corresponding number of Green and Purple beads needed in each case are stated.

$\begin{gathered} 4\text{ Gre}en\text{ }\rightarrow5\text{ Purple} \\ 8\text{ Gr}een\text{ }\rightarrow10\text{ Purple} \\ \cdot \\ \cdot \\ 20\text{ Gre}en\text{ }\rightarrow\text{ 25 Purple} \end{gathered}$

Therefore, for 20 Green beads she will need to use 25 Purple Beads.

$25\text{ Purple Beads}$