document.write( "Question 206091: The sum of the ages of a couple is 60. In eight years, husband's age will be five years less than two times the wife's age seven years ago. Find their present ages. \n" ); document.write( "
Algebra.Com's Answer #155647 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The sum of the ages of a couple is 60. In eight years, husband's age will be five years less than two times the wife's age seven years ago. Find their present ages. \n" ); document.write( "-------------------- \n" ); document.write( "NOW DATA: \n" ); document.write( "d + m = 60 \n" ); document.write( "--------------------- \n" ); document.write( "8 yrs. from now DATA: \n" ); document.write( "(d+8)=2(m-7)-5 \n" ); document.write( "================================= \n" ); document.write( "Simplify the 2nd equation: \n" ); document.write( "d - 2m = -14-8-5 \n" ); document.write( "d-2m = -27 \n" ); document.write( "--------------------------------- \n" ); document.write( "You now have the system: \n" ); document.write( "d+m = 60 \n" ); document.write( "d-2m=-27 \n" ); document.write( "-------------------------------- \n" ); document.write( "Subtract the 2nd from the 1st to solve for \"m\" \n" ); document.write( "3m = 87 \n" ); document.write( "m = 29 yrs old (the spouse's age NOW) \n" ); document.write( "----------------------------------- \n" ); document.write( "Since d+m = 60 , d = 31 yrs old (the husband's age NOW) \n" ); document.write( "================================================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H, \n" ); document.write( " |