document.write( "Question 40900: Tommy drove his fully-loaded moving van 270 miles to Oklahoma City. With his van empty, Tommy drove 15mi/hr faster and made the return trip in 1.5 hours less. find the speed going.
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document.write( "____mph
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document.write( "Thanks \n" );
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Algebra.Com's Answer #26288 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 270/X=270/(X+15)-1.5 OR 270/X=(270-1.5X-22.5)/(X+15) OR \r \n" ); document.write( "\n" ); document.write( "270(X+15)=X(270-1.5X-22.5) OR 270X+4050=270X-1.5X~2-22.5X OR\r \n" ); document.write( "\n" ); document.write( "4050=-1.5X~2-22.5X OR 1.5X+22.5X-4050=0 OR X+15-2700=0 OR\r \n" ); document.write( "\n" ); document.write( "(X+60)(X-45)=0 OR X=45 MPH GOING. \n" ); document.write( " |