document.write( "Question 898373: Dad spent 119 for 7 people in the family. How many adult tickets did he buy if adults tickets=21 and children=14. \n" ); document.write( "
Algebra.Com's Answer #544799 by josgarithmetic(39626)\"\" \"About 
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Cost, 119
\n" ); document.write( "prices: a for adults, c for children
\n" ); document.write( "a+c=7 and 21*a+14*c=119\r
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\n" ); document.write( "\n" ); document.write( "Neat system of two linear equations to solve.
\n" ); document.write( "\"system%28a%2Bc=7%2C21a%2B14c=119%29\"\r
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\n" ); document.write( "\n" ); document.write( "Start with Elimination Method to get a value for a. Do this by subtracting 14 times the ticket equation from the cost equation.
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