Answer:
3/5
Explanation:
In 2/3 of an hour, the fraction of flooring installed = 2/5
Therefore:
[tex]\begin{gathered} In\text{ 1 hour, the fraction of flooring installed} \\ =\frac{2}{5}\div\frac{2}{3} \\ =\frac{2}{5}\times\frac{3}{2} \\ =\frac{3}{5} \end{gathered}[/tex]3/5 of the flooring is finished in 1 hour.
