document.write( "Question 443443: 1. Sam and Max went to the Taco Barn for lunch. Max paid $2.66 for three tacos and a medium drink. Sam paid $3.70 for five tacos and a medium drink. \n" );
document.write( "a. Use the information provided to write a system of two equations. \n" );
document.write( "b. Use the substitution method to solve the system of equations. \n" );
document.write( "c. How much would the bill be for one taco and one medium drink? \n" );
document.write( "I need to show all work is this right? \n" );
document.write( "3x + y = 2.66 (1) x = tacos, y = drink \n" );
document.write( "5x + y = 3.70 (2)\r \n" );
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document.write( "2x = 1.04 \n" );
document.write( "x = 0.52\r \n" );
document.write( "\n" );
document.write( "Sub in 1\r \n" );
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document.write( "3x + y = 2.66 \n" );
document.write( "1.56 + y = 2.66 \n" );
document.write( "y = 2.66 - 1.56 \n" );
document.write( "y = 1.10\r \n" );
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document.write( "Check in (2)\r \n" );
document.write( "\n" );
document.write( "5x + y = 3.70 \n" );
document.write( "2.60 + 1.10 = 3.70 \r \n" );
document.write( "\n" );
document.write( "x = $0.52 y = $1.10\r \n" );
document.write( "\n" );
document.write( "c. 1.10 + 0.52 = $1.62 \n" );
document.write( " \n" );
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