mr. d drove from his house to big foot, TX at 70 mph on his return trip his car was not runing slow so he averaged 50 mph if the trip took 6h how many hours did it take to get to bigfoot?

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?