SOLUTION: Two planes, which are 2920 miles apart, fly toward each other. Their speeds differ by 80 mph. If they pass each other in 4 hours, what is the speed of each?

Question 1069037: Two planes, which are 2920 miles apart, fly toward each other. Their speeds differ by 80 mph. If they pass each other in 4 hours, what is the speed of each?
Found 2 solutions by josmiceli, josgarithmetic:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
In this type of problem, you can think of one of
the planes as standing still, and the other one
flying at the sum of their speeds
-------------------------------
Let = the speed in mi/hr of the slower plane

and

--------------------
Their speeds are
325 mi/hr and 405 mi/hr
-----------------------------
check:

mi
and

and

OK
Answer by josgarithmetic(39628) (Show Source): You can put this solution on YOUR website!

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