SOLUTION: a jet plane traveling at 570 mph overtakes a propellee deiven plane that has a 2 hr head start the propeller deiven plane is traveling at 190mph

Question 1204956: a jet plane traveling at 570 mph overtakes a propellee deiven plane that has a 2 hr head start the propeller deiven plane is traveling at 190mph
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39631) (Show Source): You can put this solution on YOUR website!
The propeller plane traveled 190*2=380 miles when the jet plane began. We are assuming the jet and the propeller planes started from the same location.

Question should probably be, how much time for the jet to catch up.

1 hour
Answer by greenestamps(13216) (Show Source): You can put this solution on YOUR website!

In the two hours that the prop plane travels before the jet plane starts, the prop plane travels 2*190 = 380 miles.

Once the jet plane starts, it catches up to the prop plane at a rate equal to the difference between the speeds of the two planes, which is 570-190 = 380 mph.

The number of hours it takes the jet plane to travel 380 miles more than the prop plane, at a catch-up rate of 380 mph, is 380/380 = 1.

ANSWER: The jet plane overtakes the prop plane 1 hour after it starts flying.

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