Question 446001
2700/x-6=2700/x+120
2700(x+120)-6(x)(x+120)=2700x
2700x+324000-6x2-720=2700x
6x2-324000+720=0
6x2=323280
x2=53880
x=232.12
x+120=352.12
The propeller plane flies at 232.12 mph; the jet flies at 352.12 mph..