Question

60 minutes is 20% of blank minutes

Answer 1

`p\%=(p)/(100)\\\\20\%=(20)/(100)=(2)/(10)=(1)/(5)\\\\60min\ of\ \boxed{x}\ is\ 20\%\\\Downarrow\\(60)/(x)=(1)/(5)\ \ \ \ \ |cross\ multiply\\\\1\cdot x=5\cdot 60\\\\\boxed{x=300}\\\\\underline{Answer:60\ min\ is\ 20\%\ of\ 300\ min.}`