document.write( "Question 984183: Last year,there were 375 volunteers for a sports event. This year, the number of male volunteers increased by 20% and the number of female volunteers increased by 30%. In the end, there was an equal number of female and male volunteers this year . how many more female volunteers were there this year than last year? \n" ); document.write( "
Algebra.Com's Answer #604957 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "M=number of males last year; F=number of females last year \n" ); document.write( ". \n" ); document.write( "F+M=375 \n" ); document.write( "F=375-M \n" ); document.write( ". \n" ); document.write( "1.2M=1.3F \n" ); document.write( "1.2(375-F)=1.3F \n" ); document.write( "450-1.2F=1.3F \n" ); document.write( "450=2.5F \n" ); document.write( "180=F There were 180 female volunteers last year. \n" ); document.write( ". \n" ); document.write( "(0.30)F=(0.30)(180)=54 \n" ); document.write( "ANSWER: There were 54 more female volunteers this year than last year. \n" ); document.write( " |