document.write( "Question 1031906: \"How far can an airplane fly from its base, and yet return within 3 hours, if its outgoing speed is 600 kilometers per hour and its returning speed is 400 kilometers per hour?\" Can you help me with this?? Thanks in advance! \n" ); document.write( "
Algebra.Com's Answer #646584 by addingup(3677)\"\" \"About 
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Convert to minutes:
\n" ); document.write( " 3*60 = 180 minutes
\n" ); document.write( " and 600/400 = 1.5 It takes 1.5 times longer coming back
\n" ); document.write( " x+1.5x= 180
\n" ); document.write( " 2.5x = 180
\n" ); document.write( " x = 72 minutes is the fast speed
\n" ); document.write( " and
\n" ); document.write( " 72*1.5 = 108 is the fast speed
\n" ); document.write( " 72+108=180 minutes and 180/60 = 3 hours of flight total.
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