document.write( "Question 638728: if 60% of 75% of a number is 270, then find 40% of that number? \n" ); document.write( "
Algebra.Com's Answer #402400 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! Let x=that number \n" ); document.write( "40% of that number is 0.40x \n" ); document.write( "75% of that number is 0.75x \n" ); document.write( "60% of 75% of that number is 0.60(0.75x)=0.45x and we are told that this equals 270 \n" ); document.write( "so: \n" ); document.write( "0.45x=270 \n" ); document.write( "x=600 \n" ); document.write( "0.40x=0.40*600=240 \n" ); document.write( "CK \n" ); document.write( "75% of 600 =0.75*600=450 \n" ); document.write( "60% of 450=0.60*450=270 \n" ); document.write( "40% of 600=240\r \n" ); document.write( "\n" ); document.write( "Hope this helps---ptaylor \n" ); document.write( " |