Two planes are 1545 mi apart and are traveling toward each other. One plane is traveling 110 mph faster than the other plane. The planes pass each other in 1.5 h. Find the speed of each plane.

Answer 1

R*1.5 + (R+110)*1.5 = 1545

1.5 * (2R+110) = 1545

15( 2R + 110) = 15450

30R + 1650 = 15450

R=460

460 and 570