document.write( "Question 904793: 400 people were at a baseball game. Student tickets cost $2 and adult tickets cost $3. Total ticket sales were $1050. How many tickets of each type sold? \n" ); document.write( "
Algebra.Com's Answer #548903 by richwmiller(17219)\"\" \"About 
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s+a=400,
\n" ); document.write( "2*s+3*a=1050
\n" ); document.write( "s=400-a
\n" ); document.write( "2*(400-a)+3*a=1050
\n" ); document.write( "800-2a+3*a=1050
\n" ); document.write( "1*a=250
\n" ); document.write( "a=250
\n" ); document.write( "s=400-a
\n" ); document.write( "s=150 at $2 and a=250 at $3
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\n" ); document.write( "150+250=400
\n" ); document.write( "2*s+3*a=1050
\n" ); document.write( "2*150+3*250=1050
\n" ); document.write( "300+750=1050
\n" ); document.write( "1050=1050
\n" ); document.write( "ok
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