Mathematics, 01.11.2020 23:40, rachellynn02

Mary takes a sightseeing tour on a helicopter that can fly 450 miles against 15 mph headwind in the same amount of time it can travel 558 miles with a 15 mph. Find the speed, in miles per hour, of the helicopter.

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Mary takes a sightseeing tour on a helicopter that can fly 450 miles against 15 mph headwind in the...