Question

Traveling at 65 miles per hour, how many minutes will it take to drive 125 miles to San Diego?

Answer 1

`1h=60min\\\\65(mi)/(h)=65(mi)/(60min)=(65mi)/(60min)=(13)/(12)(mi)/(min)\\\\\begin{array}{ccc}(13)/(12)mi&-&1min\\\\125mi&-&xmin\end{array}\ \ |cross\ multiply\\\\(13)/(12)x=1\cdot125\\\\(13)/(12)x=125\ \ \ |multiply\ both\ sides\ by\ (12)/(13)\\\\\boxed{x=(1500)/(13)\approx115.38\ (min)}`

Answer 2

Given speed (s) and distance (d), the time (t) needed to travel may be calculated through the formula,
t = d / s
Plugging in the values to the equation with the conversion of hour to minutes,
t = (125 miles) / ((65 miles/hr) x (1 hour / 60 minutes)) = 115.38 minutes
Therefore, it will take approximately 115.38 minutes to drive to San Diego.