document.write( "Question 935965: It tkaes a man 20 minutes longer to travel from his home to his place of business if he drives at a rate of 30 mph than if he drives at a rate of 40 mph. How many iles is his home from his place of business?
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Algebra.Com's Answer #569357 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! It taes a man 20 minutes longer to travel from his home to his place of business if he drives at a rate of 30 mph than if he drives at a rate of 40 mph. How many miles is his home from his place of business? \n" ); document.write( "*** \n" ); document.write( "let x=distance from home to place of business \n" ); document.write( "travel time=distance/speed \n" ); document.write( "20 min=1/3 hr \n" ); document.write( ".. \n" ); document.write( "x/30-x/40=1/3 \n" ); document.write( "lcd:120 \n" ); document.write( "4x-3x=40 \n" ); document.write( "x=40 \n" ); document.write( "distance from home to place of business=40 miles \n" ); document.write( " |