document.write( "Question 1103373: A jet plane flying with the wind went 2575 mi in 5 h. Flying against the wind, the plane could only fly 2250 mi in the same amount of time. Find the rate of the plane in calm air and the rate of the wind. (Round your answers to one decimal place.) \n" ); document.write( "
Algebra.Com's Answer #718086 by richwmiller(17219)\"\" \"About 
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r*t=d
\n" ); document.write( "with the wind
\n" ); document.write( "(r+c)*5=2575
\n" ); document.write( "r+c=2575/5
\n" ); document.write( "r+c=515
\n" ); document.write( "against the wind
\n" ); document.write( "r-c=2250/5
\n" ); document.write( "r-c=450
\n" ); document.write( "we have
\n" ); document.write( "r-c=450
\n" ); document.write( "r+c=515
\n" ); document.write( "add
\n" ); document.write( "2r=965
\n" ); document.write( "r=965/2
\n" ); document.write( "r=482.5 mph plane\r
\n" ); document.write( "\n" ); document.write( "482.5*5+c*5=2575
\n" ); document.write( "2412.5+c*5=2575
\n" ); document.write( "c*5=162.5
\n" ); document.write( "c=162.5/5
\n" ); document.write( "c=32.5 mph wind
\n" ); document.write( "check with
\n" ); document.write( "(482.5+c)*t=2575
\n" ); document.write( "(482.5+32.5)*5=2575
\n" ); document.write( "(515.0)*5=2575
\n" ); document.write( "2575.0=2575
\n" ); document.write( "ok
\n" ); document.write( "check against
\n" ); document.write( "(482.5-c)*t=2250
\n" ); document.write( "(482.5-32.5)*5=2250
\n" ); document.write( "(450.0)*5=2250
\n" ); document.write( "2250.0=2250
\n" ); document.write( "ok
\n" ); document.write( " \n" ); document.write( "
\n" );