Today's Question - Real men don't ask directions - Bob's trip took two hours. In the last half, he drove 10 mph faster than the first half. The second hour of the trip, he drove 8 miles further than the first hour. How far did Bob drive??

Reveal Answer Corner Answer - This trip was 48 miles. Assume that Bob drove x miles at (y-5) mph and then x miles at (y+5) mph. The total time was: In the first hour, during which Bob drove less than x miles, Bob drove at (y-5) mph; so Bob drove (y-5) miles. Therefore, in the second hour Bob drove (y-5) + 8 - i.e., (y+3) miles. The total distance was (2y-2); Thus Combining Yielding

Doesn't match      Missing info      Like question