document.write( "Question 188912: This year, 75% of the graduating class had taken 8 math courses. Of the remaining student, 60% had taken 6 or 7 math courses. What percent of the graduating class had taken fewer than 6 math courses? \n" ); document.write( "
Algebra.Com's Answer #141688 by Mathtut(3670) ![]() You can put this solution on YOUR website! let x be the number of those graduating \n" ); document.write( ": \n" ); document.write( ".75x took 8 math course \n" ); document.write( ": \n" ); document.write( "remaining students would be .25x \n" ); document.write( ": \n" ); document.write( "so .6(.25x)=.15x \n" ); document.write( ": \n" ); document.write( "so .75x have taken 8 courses and .15x have take 6 or 7 \n" ); document.write( ": \n" ); document.write( "what we have remaining is x-.75x-.15x=.1x \n" ); document.write( "or 10% of the graduating class have taken fewer than 6 math courses \n" ); document.write( " |