SOLUTION: A man called his wife to tell her that they needed to switch vehicles so he could use the family van to pick up something after work. The wife left their home , traveling toward hi

Algebra ->  Equations -> SOLUTION: A man called his wife to tell her that they needed to switch vehicles so he could use the family van to pick up something after work. The wife left their home , traveling toward hi      Log On


   

Question 898597: A man called his wife to tell her that they needed to switch vehicles so he could use the family van to pick up something after work. The wife left their home , traveling toward his office in their van at 35mph. AT the same time , the husband left his office in his car, traveling toward their home at 45mph. If his office is 20 miles from their home, how long will it take them to meet so they can switch vehicles?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
They approach at the rate of (35+45) miles per hour, 80 miles per hour.

RT=D
80%2AT=20
T=20%2F80
T=1%2F4 hour, which is about fifteen minutes.