document.write( "Question 1013142: Danny is older than Felicia. The difference between their ages is 3.: the sum of their ages is 37. How old is Danny? \n" ); document.write( "
Algebra.Com's Answer #629334 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! call their ages d and f. Then we have \n" ); document.write( "d - f = 3 and \n" ); document.write( "d + f = 37 Now add these and get \n" ); document.write( "------------------- \n" ); document.write( "2d = 40 \n" ); document.write( "d = 20 \n" ); document.write( "f = 17 \n" ); document.write( " |