document.write( "Question 98: In 7 years, Maria will be four times as old as Angelica will be then. The sum of their ages now is 71. How old will each of them be in 5 years? \n" ); document.write( "
Algebra.Com's Answer #428678 by srirajdhaks(1)![]() ![]() ![]() You can put this solution on YOUR website! (Name) (Age now) (Age after 5 years)\r \n" ); document.write( "\n" ); document.write( "(Maria) (7+4x) (7+4x+5 = 12+4x)\r \n" ); document.write( "\n" ); document.write( "(Angelica) (7+x) (7+x+5 = 12+x)\r \n" ); document.write( "\n" ); document.write( "The sum of their ages now is 71\r \n" ); document.write( "\n" ); document.write( "12+4x+12+x =71 \n" ); document.write( "24+5x =71 \n" ); document.write( "5x =71-24 \n" ); document.write( "5x =47 \n" ); document.write( "x =47/5 =9.4\r \n" ); document.write( "\n" ); document.write( "Maria : 7+4(9.4) =44.6 \n" ); document.write( "Angelica : 7+9.4 =16.4\r \n" ); document.write( "\n" ); document.write( "Verify the answer:\r \n" ); document.write( "\n" ); document.write( "12+4(9.4)+12+9.4 =71 \n" ); document.write( "71 =71 \n" ); document.write( " |