document.write( "Question 696964: When road repairs begin, the current speed limit will be cut by 40 km/h. It will then take at least 3.6 h to cover the same distance that can be covered in 2 h now. What is the speed limit now?\r
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document.write( "so far i have:
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document.write( "x=current speed limit
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document.write( "x-40(greater than or equal to)3.6 \n" );
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Algebra.Com's Answer #429526 by lwsshak3(11628) ![]() You can put this solution on YOUR website! When road repairs begin, the current speed limit will be cut by 40 km/h. It will then take at least 3.6 h to cover the same distance that can be covered in 2 h now. What is the speed limit now? \n" ); document.write( "** \n" ); document.write( "let=current speed limit \n" ); document.write( "x-40=new speed limit \n" ); document.write( "distance=travel time*speed \n" ); document.write( "2x=3.6(x-40) \n" ); document.write( "2x=3.6x-144 \n" ); document.write( "1.6x=144 \n" ); document.write( "x=90 \n" ); document.write( "current speed limit=90 km/hr \n" ); document.write( " |