document.write( "Question 855442: a girl was half her mothers age and his father was five years older his mother their ages add upto 100 years how old was each? \n" ); document.write( "
Algebra.Com's Answer #515363 by chndnbl(31)![]() ![]() You can put this solution on YOUR website! Let girl age be x. \n" ); document.write( "Mother age=2x \n" ); document.write( "father age =2x + 5 \n" ); document.write( "sum of the ages =100 \n" ); document.write( "x + 2x + 2x +5 = 100 \n" ); document.write( "5x = 100 - 5 \n" ); document.write( "5x = 95 \n" ); document.write( "x = 95/5 \n" ); document.write( "x =19 \n" ); document.write( "sarah age=19 \n" ); document.write( "mother age=2*19=38 \n" ); document.write( "father age=38+ 5=43 \n" ); document.write( " |