document.write( "Question 964247: a man can reach a certain place in 30 hours. If he reduces his speed by 1/5th, he goes 10 km less in that time. find his speed. \n" ); document.write( "
Algebra.Com's Answer #589176 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! a man can reach a certain place in 30 hours. \n" ); document.write( " If he reduces his speed by 1/5th, he goes 10 km less in that time. \n" ); document.write( " find his speed. \n" ); document.write( ": \n" ); document.write( "let s = the original speed \n" ); document.write( "Reducing by 1/5 is the same as multiplying the original speed by .8 \n" ); document.write( ": \n" ); document.write( "Write a distance equation; dist = speed * time \n" ); document.write( "30s = 30(.8s) + 10 \n" ); document.write( "30s = 24s + 10 \n" ); document.write( "30s - 24s = 10 \n" ); document.write( "6s = 10 \n" ); document.write( "s = 10/6 \n" ); document.write( "s = 1 \n" ); document.write( " \n" ); document.write( " |