document.write( "Question 120560: A movie theater charges $4 for an adult ticket and 2$ for a child's ticket. one night 380 tickets were sold for a total of $1320. How many children attended the movie that night?\r
\n" ); document.write( "\n" ); document.write( "I am soooooo confused could someone please help me?
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Algebra.Com's Answer #88417 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Let's call the number of adult tickets, A, and the number of children's tickets, C.
\n" ); document.write( "What do you know?
\n" ); document.write( "1.\"A%2BC=380\" The total number of tickets sold was 380.
\n" ); document.write( "2.\"4A%2B2C=1320\" The total value of adult tickets ($4xA) children's tickets ($2xC) was $1320.
\n" ); document.write( "Use equation 1 to solve for A in terms of C.
\n" ); document.write( "1.\"A%2BC=380\"
\n" ); document.write( "\"A=380-C\"
\n" ); document.write( "Now substitute for A in equation 2 and solve for C.
\n" ); document.write( "2.\"4A%2B2C=1320\"
\n" ); document.write( "\"4%28380-C%29%2B2C=1320\"
\n" ); document.write( "\"1520-4C%2B2C=1320\"
\n" ); document.write( "\"-2C=-200\"
\n" ); document.write( "\"C=100\"
\n" ); document.write( "From 1,
\n" ); document.write( "\"A=380-C\"
\n" ); document.write( "\"A=380-100\"
\n" ); document.write( "\"A=280\"
\n" ); document.write( "Check your answers.
\n" ); document.write( "1.\"A%2BC=380\"
\n" ); document.write( "\"280%2B100=380\"
\n" ); document.write( "\"380=380\"
\n" ); document.write( "True statement.
\n" ); document.write( "2.\"4A%2B2C=1320\"
\n" ); document.write( "\"4%28280%29%2B2%28100%29=1320\"
\n" ); document.write( "\"1120%2B200=1320\"
\n" ); document.write( "\"1320=1320\"
\n" ); document.write( "True statement.
\n" ); document.write( "Since your answers led to true statement, they are good answers.
\n" ); document.write( "280 Adult tickets sold and 100 children's tickets sold.
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