Question

5 lb of apples cost $8.20. How much is it for 1 lb?

Answer 1

$\begin{gathered} \text{If 5 lb costs \ 8.20 then } \\ 1Lb=\frac{8.20}{5Lb}\text{ }=1.64 \\ \text{ 1Lb costs \ }1.64 \end{gathered}$