A superhero can use superhuman speed to run 10 miles in 4 minutes. The supervillain has an Evil-Mobile that drives 100 miles per hour. How many miles farther can the superhero run in an hour than the supervillain can drive? Think carefully first, then make a decision:
There are 60 minutes in an hour, so the superhero will run 60 / 4 = 15 intervals of 10 miles in an hour. Thus, the superhero can run 15 * 10 = 150 miles in an hour. The superhero can run 150 - 100 = 50 miles farther than the supervillain can drive in an hour. So, the answer is 50.