SOLUTION: Andrew left James' house and drove east at an average speed of 50 mph. Sam left one hour later and drove in the same distance but with an average speed of 75 mph. Find the number
Algebra ->
Expressions-with-variables
-> SOLUTION: Andrew left James' house and drove east at an average speed of 50 mph. Sam left one hour later and drove in the same distance but with an average speed of 75 mph. Find the number
Log On
Question 835953: Andrew left James' house and drove east at an average speed of 50 mph. Sam left one hour later and drove in the same distance but with an average speed of 75 mph. Find the number of hours Andrew drove before Sam caught up. Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website! In the first hour Andrew drive 50 miles
Sam drove 75-50=25 miles faster than Andrew.
25*2=50
It took Sam two hours to catch up.
