document.write( "Question 735210: How far from an airport can an airplane fly and return in 8 hours, if its outgoing speed is 160 kilometers per hour and its returning speed is 240 kilometers per hour? \n" ); document.write( "
Algebra.Com's Answer #852714 by josgarithmetic(39799)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "How far out to go,  d\r\n" );
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document.write( "                    SPEED        TIME        DISTANCE\r\n" );
document.write( "GOING OUT            160         d/160         d\r\n" );
document.write( "RETURNING            240         d/240         d\r\n" );
document.write( "SUM                               8\r\n" );
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\n" ); document.write( "\"d%2F160%2Bd%2F240=8\"\r
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\n" ); document.write( "\n" ); document.write( "STEPS--------------\r
\n" ); document.write( "\n" ); document.write( "Finding smallest denominator to use
\n" ); document.write( "2*2*2*2*2*5 and 2*3*2*2*2*5\r
\n" ); document.write( "\n" ); document.write( "2^5*5 and 2^4*3*5\r
\n" ); document.write( "\n" ); document.write( "common denominator should be 2^5*3*5=480\r
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\n" ); document.write( "\n" ); document.write( "\"%283%2F3%29%28d%2F160%29%2B%282%2F2%29%28d%2F240%29=8\"\r
\n" ); document.write( "\n" ); document.write( "\"3d%2F480%2B2d%2F480=8\"\r
\n" ); document.write( "\n" ); document.write( "\"5d%2F480=8\"\r
\n" ); document.write( "\n" ); document.write( "\"d%2F96=8\"\r
\n" ); document.write( "\n" ); document.write( "\"d=96%2A8\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28d=768%29\"
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