Question

Please help with the question below (please try to answer in max 10/15 minutes).Solve for r2/4 = r/18

Answer 1

SOLUTIONS

Solve for r in the expression below:

2/4 = r/18

`\begin{gathered} (2)/(4)=(r)/(18) \\ cross\text{ multiply} \\ 2(18)=4r \\ 4r=36 \\ r=(36)/(4) \\ r=9 \end{gathered}`

Therefore the correct value of r = 9