Question

is AB:BC=2/7 and AB is 18 feet what is the length of AC in feet and what is BC

Answer 1

we have the following:

$\frac{AB}{BC}=\frac{2}{7}$

replacing, AB = 18

$\begin{gathered} \frac{18}{BC}=\frac{2}{7} \\ BC=\frac{18\cdot7}{2} \\ BC=63 \end{gathered}$

therefore, BC is the 63 feet