Question

You are traveling at 75 miles per hour on a straight stretch of highway. It is noon now. You will arrive at the next town 120 miles away?

Answer 1

$\bf \begin{array}{ccll} miles&hours\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 75&1\\ 120&h \end{array}\implies \cfrac{75}{120}=\cfrac{1}{h}\implies h=\cfrac{120\cdot 1}{75}$