SOLUTION: Two planes leave the airport at the same time traveling in opposite directions. The average speeds for the planes are 410 miles per hour and 490 miles per hour. How long will

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Two planes leave the airport at the same time traveling in opposite directions. The average speeds for the planes are 410 miles per hour and 490 miles per hour. How long will       Log On


   

Question 1200176: Two planes leave the airport at
the same time traveling in
opposite directions. The
average speeds for the planes
are 410 miles per hour and 490
miles per hour. How long will it
take the planes to be a
distance of 2,475 miles apart?
Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
410x%2B490x=2475, x is that amount of time asked.

x is 2 hours 45 minutes.