document.write( "Question 877041: Hi , if a dad is five years older than the mum and the daughter is half the mum's age , and then all three ages are combined it sums up to 100 , how old is the mum, dad and daughter ? Thanks \n" ); document.write( "
Algebra.Com's Answer #529141 by alexlove054@gmail.com(10)![]() ![]() ![]() You can put this solution on YOUR website! Daughter's age= x \n" ); document.write( "mum's age=2x \n" ); document.write( "dad's age=5 2x \n" ); document.write( "daughter mum dad=100 \n" ); document.write( "x 2x 5 2x=100 \n" ); document.write( "collect like terms \n" ); document.write( "5x=100-5 \n" ); document.write( "5x=95 \n" ); document.write( "divide both sides by 5 \n" ); document.write( "5x/5=95/5 \n" ); document.write( "x=19 \n" ); document.write( "daughter=19 \n" ); document.write( "mum=38 \n" ); document.write( "dad=43 \n" ); document.write( "cheers \n" ); document.write( " |