document.write( "Question 908081: Tom is 4 more than twice Andrews age. Sarah is 8 less than 5 times Andrews age. If tom and sarah are twins how old is andrew \n" ); document.write( "
Algebra.Com's Answer #550830 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! T = 4 + 2A \n" ); document.write( "S = 5A - 8 \n" ); document.write( "T = S \n" ); document.write( "Since T and S are equal, set them against each other \n" ); document.write( "2A + 4 = 5A - 8 \n" ); document.write( "Subtract 2A from each side, and add 8 to each side \n" ); document.write( "12 = 3A \n" ); document.write( "Divide each side by 3 \n" ); document.write( "A = 4 \n" ); document.write( "If Andrew is 4, then Tom is twice that plus 4, or 12. Sarah is 5 times 4 less 8, or 12. \n" ); document.write( " |