Question

I REALLY NEED HELP

Answer 1

There are 60 minutes in one hour, thus, 45 miles per hour is 45 miles per 60 minutes, thus

$\bf \begin{array}{ccll} miles&minutes\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 45&60\\ 240&m \end{array}\implies \cfrac{45}{240}=\cfrac{60}{m}\implies m=\cfrac{240\cdot 60}{45}$