document.write( "Question 1059997: An airplane flies 355 miles to city A . Then, with better winds, it continues on to cityB , 448 miles from A , at a speed 15.8 mi/h greater than on the first leg of the trip. The total flying time was 5.20h . Find the speed at which the plane travelled to city A . \n" ); document.write( "

Algebra.Com's Answer #675052 by ikleyn(52778) $\"\"$ $\"About$

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\n" ); document.write( "An airplane flies 355 miles to city A. Then, with better winds, it continues on to city B, 448 miles from A,
\n" ); document.write( "at a speed 15.8 mi/h greater than on the first leg of the trip. The total flying time was 5.20 h .
\n" ); document.write( "Find the speed at which the plane traveled to city A.
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document.write( "Your equation is\r\n" );
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document.write( " = 5.2.\r\n" );
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document.write( "First addend on the left side is the flying time to get A.\r\n" );
document.write( "The second addend on the left side is the flying time From A to B.\r\n" );
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document.write( "Solve the equation to get the unknown u, the speed under the question.\r\n" );
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document.write( "As a first step, multiply both sides of the equation by 8*u*(u+15.5).\r\n" );
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document.write( "Then simplify and solve the quadratic equation.\r\n" );
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