Question 390103
1 friend leaves his house walking 3 mph.  The other friend leaves his house walking 2 mph.  Both are walking toward each other.  Their houses are 4 miles apart.  How long will it be before they meet each other?

1. speed = 3 mph
2.  speed = 2 mph
...
walking towards each other.
speed = 2+3 = 5 mph.
distance = 4 miles
..
toime = d/r
t=4/3
t= 4/3 *60
t= 80 minutes =
1 hour 20 minutes
...
m.ananth@hotmail.ca