document.write( "Question 155403: A dietician is planning a meal of beef, rice and carrots. The meal must contain 96.3g of carbs, 50.0g of protein, and 22.8g of fat. Using the nutrition information below, use the Gaussian elimination method to determine how many grams of beef, rice, and carrots, the meal must contain in order to meet the dietician's requirements.\r
\n" ); document.write( "\n" ); document.write( " CARBS PROTEIN FAT
\n" ); document.write( "beef 1 22 12
\n" ); document.write( "rice 25 2 0
\n" ); document.write( "carrots 8 1 0\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "I wrote the following equations:\r
\n" ); document.write( "\n" ); document.write( "1b + 25r + 8c = 96.3
\n" ); document.write( "22b + 2r + 1c = 50
\n" ); document.write( "12b = 22.8
\n" ); document.write( "I then used b=1.9, but got the wrong answer.
\n" ); document.write( "

Algebra.Com's Answer #114454 by Edwin McCravy(20065)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "A dietician is planning a meal of beef, rice and carrots.  The meal must\r\n" );
document.write( "contain 96.3g of carbs, 50.0g of protein, and 22.8g of fat. Using the nutrition\r\n" );
document.write( "information below, use the Gaussian elimination method to determine how many\r\n" );
document.write( "grams of beef, rice, and carrots, the meal must contain in order to meet the\r\n" );
document.write( "dietician's requirements.\r\n" );
document.write( "\r\n" );
document.write( "                 CARBS       PROTEIN      FAT\r\n" );
document.write( "beef              1             22         12\r\n" );
document.write( "rice             25              2          0\r\n" );
document.write( "carrots           8              1          0\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "I wrote the following equations:\r\n" );
document.write( "\r\n" );
document.write( "1b + 25r + 8c = 96.3\r\n" );
document.write( "22b + 2r + 1c = 50\r\n" );
document.write( "12b = 22.8\r\n" );
document.write( "\r\n" );
document.write( "I then used b=1.9, but got the wrong answer.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "You've done nothing wrong in setting it up.\r\n" );
document.write( "The solution is  b=1.9g, r=3.2g, c=1.8g\r\n" );
document.write( "\r\n" );
document.write( "Is that the answer you got?  If that differs\r\n" );
document.write( "from what the back of the book says is the \r\n" );
document.write( "answer, then there is a typo in the book.\r\n" );
document.write( "\r\n" );
document.write( "Is your error in the Gaussian elimination?\r\n" );
document.write( "If so post again asking how to do that.\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );