document.write( "Question 889745: gail sold 7 adult tickets and 3 students tickets for a school play and collected
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document.write( "1025 pesos. Lyn sald 3 adult tickets and 7 student tickets and collected 725 pesos. how much does an adult tickets cost?
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Algebra.Com's Answer #538443 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 7a + 3s = 1025 \n" ); document.write( "3a + 7s = 725 \n" ); document.write( "----------------- Add \n" ); document.write( "10a + 10s = 1750 \n" ); document.write( "a + s = 175 \n" ); document.write( "---------- \n" ); document.write( "========== \n" ); document.write( "7a + 3s = 1025 \n" ); document.write( "3a + 7s = 725 \n" ); document.write( "----------------- Subtract \n" ); document.write( "4a - 4s = 300 \n" ); document.write( "a - s = 75 \n" ); document.write( "a + s = 175 \n" ); document.write( "2a = 250 \n" ); document.write( "a = 125 \n" ); document.write( " \n" ); document.write( " |