document.write( "Question 210163: Amy has $8 less than Maria.Together they have $30 . How much does each girl have ? \n" ); document.write( "
Algebra.Com's Answer #158816 by Earlsdon(6294)![]() ![]() ![]() You can put this solution on YOUR website! Let A = the amount Amy has and M = Maria's amount. \n" ); document.write( "A = M-$8 \"Amy has $8 less than Maria\" Substitue this into the second equation. \n" ); document.write( "A+M = $30 \"Together they have $30.\" \n" ); document.write( "(M-$8)+M = $30 Simplify. \n" ); document.write( "2M-$8 = $30 Add $8 to both sides. \n" ); document.write( "2M = $38 Divide both sides by 2. \n" ); document.write( "M = $19 ...and... \n" ); document.write( "A = M-$8 \n" ); document.write( "A = $19-$8 \n" ); document.write( "A = $11 \n" ); document.write( "Amy has $11 and Maria has $19. \n" ); document.write( " \n" ); document.write( " |