SOLUTION: Two planes, which are 2820 miles apart, fly toward each other. Their speeds differ by 55 mph. If they pass each other in 4 hours , what is the speed of each?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Two planes, which are 2820 miles apart, fly toward each other. Their speeds differ by 55 mph. If they pass each other in 4 hours , what is the speed of each?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1065860: Two planes, which are
2820 miles apart, fly toward each other. Their speeds differ by
55
mph.
If they pass each other in
4
hours
, what is the speed of each?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Two planes, which are
2820 miles apart, fly toward each other. Their speeds differ by
55 mph.
If they pass each other in 4 hours, what is the speed of each?
==============
Moving in opposite directions, the speeds are added.
Find the sum of the speeds.
The difference is given.
----
Call the F for fast and S for slow.
---
F + S = the sum
F - S = the difference
-------------------------------------------- Add