SOLUTION: Mary takes a sightseeing tour on a helicopter that can fly 414 miles against a 35 mph headwind in the same amount of time it can travel 666 miles with a 35 mph tailwind. Find the s

Algebra ->  Equations -> SOLUTION: Mary takes a sightseeing tour on a helicopter that can fly 414 miles against a 35 mph headwind in the same amount of time it can travel 666 miles with a 35 mph tailwind. Find the s      Log On


   

Question 1127722: Mary takes a sightseeing tour on a helicopter that can fly 414 miles against a 35 mph headwind in the same amount of time it can travel 666 miles with a 35 mph tailwind. Find the speed, in miles per hour, of the helicopter.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Equal time quantities for the two distances

414%2F%28r-35%29=666%2F%28r%2B35%29

46r%2B1610=74r-2590

28r=4200

highlight%28r=150%29