document.write( "Question 1105628: A man started from a certain A man started from a certain point and travelled in a hot-air balloon, moving in the direction of the wind. He covered 18km in 3 hours. He then returned to the starting point, taking 6 hours for the return trip. If there was no wind, how long would the entire round trip have lasted?point and travelled in a hot-air balloon, moving in the direction of the wind. He covered 18km in 3 hours. He then returned to the starting point, taking 6 hours for the return trip. If there was no wind, how long would the entire round trip have lasted? \n" ); document.write( "
Algebra.Com's Answer #720504 by Alan3354(69443)\"\" \"About 
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A man started from a certain A man started from a certain point and travelled in a hot-air balloon, moving in the direction of the wind. He covered 18km in 3 hours. He then returned to the starting point, taking 6 hours for the return trip.
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\n" ); document.write( "If there's no wind, a hot-air balloon would remain stationary over the starting point.
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