SOLUTION: A helicopter travels to the East going 120 mph. Two hours later a jet flies in the same direction. How long will it take for the jet to catch up to the helicopter if the speed of

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: A helicopter travels to the East going 120 mph. Two hours later a jet flies in the same direction. How long will it take for the jet to catch up to the helicopter if the speed of       Log On


   

Question 1141099: A helicopter travels to the East going 120 mph. Two hours later a jet flies in the same
direction. How long will it take for the jet to catch up to the helicopter if the speed of
the jet is 900 mph?
Answer by josgarithmetic(39800) About Me  (Show Source):
You can put this solution on YOUR website!

900-120=780, jet's approach speed

120%2A2=240, miles, distance to catch up

780x=240
x=240%2F780
x=0.308, hours, time to catch up
18%261%2F2minutes