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OpenStudy (anonymous):
A cargo plane flew to the maintenance facility and back. It took one hour less time to get there than it did to get back. The average speed on the trip there was 220mph. The average speed on the way back was 200 mph. How many hoursdid the trip there take?
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OpenStudy (anonymous):
hello
OpenStudy (anonymous):
i think from the clue of first few problems u can now do it by urself..
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