See solution: ?In each of the following exercises, set up an equation or inequality and
Chapter 4, Problem 42(choose chapter or problem)
In each of the following exercises, set up an equation or inequality and solve the problem. Be sure to indicate clearly what quantity your variable represents. Round to the nearest tenth where necessary.
A person drives from town A to town B at the rate of 50 mph and then flies back at the rate of 160 mph. If the total traveling time is 21 hours, how far is it from town A to town B?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer