Question 1079434
A truck enters a highway driving 60 mph. A car enters the highway at the same place 10<s>10</s> minutes later and drives 75<s>75</s> mph in the same direction.



Ten minutes is  {{{1/6}}} of an hour;

<pre>
           SPEED        TIME              DISTANCE

TRUCK       60          {{{t+1/6}}}         {{{60(t+1/6)}}}

CAR         75           t             {{{75t}}}
</pre>


Car passes truck when distances are equal.
{{{60(t+1/6)=75t}}}
Solve for time t in hours.