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Mathematics 8 Online
OpenStudy (anonymous):

An airplane flew 3 hours with a 60 mph head wind. The return trip with a tail wind of the same speed took 2 hours. Find the speed of the plane in still air. 380 mph 340 mph 320 mph 300 mph

OpenStudy (anonymous):

Try\[2(v+60)=3(v-60)\]

OpenStudy (anonymous):

The setup is distance equals distance, keeping in mind that distance is rate times time.

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