Question

Sarge completed 1/10 of his report in 4/5 of an hour. At this rate, how much of the report will Sarge complete in 1 hour? *

Answer 1

$\frac{\frac{1}{10}}{x}=\frac{\frac45}{1}$

$x=\frac{1}{10}:\frac45=\frac18$ of the report will be completed in 1 hour.