document.write( "Question 889745: gail sold 7 adult tickets and 3 students tickets for a school play and collected
\n" ); document.write( "1025 pesos. Lyn sald 3 adult tickets and 7 student tickets and collected 725 pesos. how much does an adult tickets cost?
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #538443 by Alan3354(69443)\"\" \"About 
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( "
\n" );