document.write( "Question 847289: A man drove 360 km at a certain speed. The return trip was made at a speed of 9 km per hour greater and return trip took 2 hours less time than in going. How fast did he drive on the return trip? \n" ); document.write( "
Algebra.Com's Answer #510334 by richwmiller(17219)\"\" \"About 
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r*t=360,
\n" ); document.write( "(r+9)*(t-2)=360
\n" ); document.write( "r = 36, t = 10
\n" ); document.write( "r+9=45 kph
\n" ); document.write( "t-2=8 hours
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