SOLUTION: Two planes, which are 4425 miles apart, fly toward each other. their speeds differ by 35 mph. If they pass each other in 5 hours, what is the speed of each?

Question 492923: Two planes, which are 4425 miles apart, fly toward each other. their speeds differ by 35 mph. If they pass each other in 5 hours, what is the speed of each?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Two planes, which are 4425 miles apart, fly toward each other. their speeds differ by 35 mph. If they pass each other in 5 hours, what is the speed of each?
.
Let x = speed of slower plane
then
x+35 = speed of faster plane
.
applying the distance formula:
5x + 5(x+35) = 4425
5x + 5x+175 = 4425
10x+175 = 4425
10x = 4250
x = 425 mph (slower plane)
.
faster plane:
x+35 = 425+35 = 460 mph
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