document.write( "Question 1114679: An airplane has to travel a round trip Manila to Singapore and back (1485 mi apart) in a total time of 7 hours and 10 minutes. The plane from Manila to Singapore is flying with a headwind of 70 mph and from Singapore to Manila with a tailwind of 60 mph. What is the velocity of the plane in still air. \n" ); document.write( "

Algebra.Com's Answer #729591 by josgarithmetic(39621) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "              SPEED            TIME           DISTANCE\r\n" );
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document.write( "M to S         r-70                  1485       \r\n" );
document.write( "\r\n" );
document.write( "S to M         r+60                  1485\r\n" );
document.write( "\r\n" );
document.write( "TOTAL                        \r\n" );
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\r
\n" ); document.write( "\n" ); document.write( "Manila to Singapore - headwind
\n" ); document.write( "Singapore to Manila - tailwind\r
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\n" ); document.write( "\n" ); document.write( "Solve the equation for sum of the times, $\"1485%2F%28r-70%29%2B1485%2F%28r%2B60%29=7%261%2F6\"$ . \n" ); document.write( "

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