document.write( "Question 1030130: A and his grandfather 's differ in their age by 50 year, after 6 year ,if sum of their ages is 152, their present age are. \n" ); document.write( "
Algebra.Com's Answer #645104 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A and his grandfather 's differ in their age by 50 year, \n" ); document.write( "A = g-50 \n" ); document.write( "or \n" ); document.write( "A - g = -50 \n" ); document.write( " after 6 years, if sum of their ages is 152, their present age are. \n" ); document.write( "(A+6) + (g+6) = 152 \n" ); document.write( "A + g + 12 = 152 \n" ); document.write( "A + g = 152 - 12 \n" ); document.write( "A + g = 140 \n" ); document.write( "Use elimination with these two equations \n" ); document.write( "A + g = 140 \n" ); document.write( "A - g = -50 \n" ); document.write( "------------addition eliminates g, find a \n" ); document.write( "2A = 90 \n" ); document.write( "A = 90/2 \n" ); document.write( "A = 45 yrs \n" ); document.write( "then \n" ); document.write( "g = 45 + 50 \n" ); document.write( "g = 95 yrs is Grandpa's age \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check this in the statement \n" ); document.write( "\"after 6 years, if sum of their ages is 152, \" \n" ); document.write( "45+6 + 95+6 = 152 \n" ); document.write( " |