I drove to the beach at a rate of 40 miles per hour. If I had driven at a rate of 32 miles per hour instead, I would have arrived 25 minutes later. How many miles did I drive?
Distance ==D, Time ==T
D / 40 ==T
D / 32==T + 25/60, solve for D, T
D==200 / 3 ==66 + 2/3 miles to the beach.
T ==5/3 ==100 minutes
At 32 mph, it would have taken you: 125 minutes
