SOLUTION: Two planes are 760 mi apart, leave at the same time, fly toward each other, and meet in 4 hrs. If their speeds differ by 20 mi/hrs, find the speed of each plane.

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Question 850755: Two planes are 760 mi apart, leave at the same time, fly toward each other, and meet in 4 hrs. If their speeds differ by 20 mi/hrs, find the speed of each plane.
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
d=v*t;
d=760;
v=v1+(v1+20);
t=4;
do some algebra...
thus v1=85.
Speeds are 85mph and 105mph