SOLUTION: an airplane and a jet aircraft cross each other at different altitudes traveling in opposite directions the jet travels 5 times the rate of the airplane. In 3 hours they are 1620 m

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: an airplane and a jet aircraft cross each other at different altitudes traveling in opposite directions the jet travels 5 times the rate of the airplane. In 3 hours they are 1620 m      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 232869: an airplane and a jet aircraft cross each other at different altitudes traveling in opposite directions the jet travels 5 times the rate of the airplane. In 3 hours they are 1620 miles apart. find the speed of each aircraft.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3(5x+x)=1620
15x+3x=1620
18x=1620
x=90 mph
5x=450 mph