Solve each problem. See Example 3.Zachary and Samuel are brothers who share a bedroom
Chapter 7, Problem 36(choose chapter or problem)
Solve each problem. See Example 3.Zachary and Samuel are brothers who share a bedroom. By himself, Zachary can completelymess up their room in 20 min, while it would take Samuel only 12 min to do thesame thing. How long would it take them to mess up the room together?
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