SOLUTION: Two small planes start from the same point and fly in opposite directions. The first plane is flying 70 mph slower than the second plane. In 3 h, the planes are 870 mi apart. Find

Question 921839: Two small planes start from the same point and fly in opposite directions. The first plane is flying 70 mph slower than the second plane. In 3 h, the planes are 870 mi apart. Find the rate of each plane.
slower plane:
faster plane:
Answer by CubeyThePenguin(3113) (Show Source): You can put this solution on YOUR website!
speed of fast plane = x mph
speed of slow plane = (x-70) mph

distance between planes after h hours: (2x-70)h miles

h = 3 ----> 3(2x - 70) = 870
2x - 70 = 290
2x = 360
x = 180

slower plane = 110 mph
faster plane = 180 mph
RELATED QUESTIONS
Two small planes start from the same point and fly in opposite directions. The first... (answered by stanbon)

Two small planes start from the same point and fly in opposite directions. The first... (answered by rapaljer)

Two small planes start from the same point and fly in opposite directions. The first... (answered by Fombitz)

Two small planes start from the same point and fly in opposite directions. The first... (answered by ikleyn)

two small planes start from the same point and fly in opposite directions the first... (answered by stanbon)

two small planes start from the same point and fly in opposite directions. the first... (answered by josmiceli)

Two small planes start from the same point and fly in opposite directions. The first... (answered by josgarithmetic,MathTherapy)

two planes start from the same point and fly in opposite directions. the first plane is... (answered by mananth)