document.write( "Question 674193: A mother is 3 times as old as her daughter. 6 years ago, the sum if their ages is 36. Find the agenof the daughter and the mother. \n" ); document.write( "
Algebra.Com's Answer #419046 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! Let x=daughter's age now; x-6=daughter's age 6 years ago \n" ); document.write( "Then 3x=mother's age now; 3x-6=mother's age 6 years ago \n" ); document.write( "Sooooo \n" ); document.write( "(x-6)+(3x-6)=36 \n" ); document.write( "4x-12=36 add 12 to each side \n" ); document.write( "4x-12+12=36+12 collect like terms \n" ); document.write( "4x=48 divide each side by 4 \n" ); document.write( "x=12-----daughter's age now \n" ); document.write( "3x=3*12=36------mother's age now \n" ); document.write( "CK \n" ); document.write( "12-6+36-6=36 \n" ); document.write( "6+30=36 \n" ); document.write( "36=36\r \n" ); document.write( "\n" ); document.write( "Hope this helps---ptaylor \n" ); document.write( " |