document.write( "Question 1172943: A mother is 12 years older than triple the age of her daughter. The sum of their ages is 36. What are their ages? \n" ); document.write( "
Algebra.Com's Answer #798083 by VFBundy(438)![]() ![]() You can put this solution on YOUR website! Daughter's age = d \n" ); document.write( "Mother's age = 3d + 12 \n" ); document.write( " \n" ); document.write( "(d) + (3d + 12) = 36 \n" ); document.write( " \n" ); document.write( "d + 3d + 12 = 36 \n" ); document.write( " \n" ); document.write( "4d + 12 = 36 \n" ); document.write( " \n" ); document.write( "4d = 24 \n" ); document.write( " \n" ); document.write( "d = 6 \n" ); document.write( " \n" ); document.write( "Daughter's age = d = 6 \n" ); document.write( "Mother's age = 3d + 12 = 3(6) + 12 = 18 + 12 = 30 |