document.write( "Question 1125749: I would be grateful to have some help with this problem:
\n" ); document.write( "Kyle works at a donut​ factory, where a​ 10-oz cup of coffee costs 95¢​, a​ 14-oz cup costs​ $1.15, and a​ 20-oz cup costs​ $1.50. During one busy​ period, Kyle served 28 cups of​ coffee, using 404 ounces of​ coffee, while collecting a total of ​$33.30. How many cups of each size did Kyle​ fill?
\n" ); document.write( "Kyle filled
\n" ); document.write( "___10-oz cup(s), \r
\n" ); document.write( "\n" ); document.write( "___14-oz cup(s), and \r
\n" ); document.write( "\n" ); document.write( "​___20-oz cup(s).
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Algebra.Com's Answer #742045 by josgarithmetic(39625)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "SIZE(oz)          PRICE        CUPS       REVNU\r\n" );
document.write( "10                0.95         x           0.95x\r\n" );
document.write( "14                1.15         y           1.15y\r\n" );
document.write( "20                1.50         z           1.50z\r\n" );
document.write( "TOTAL, 404                    28          33.00\r\n" );
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\n" ); document.write( "\n" ); document.write( "\"system%2810x%2B14y%2B20z=404%2Cx%2By%2Bz=28%2C0.95x%2B1.15y%2B1.5z=33%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%285x%2B7y%2B10z=202%2Cx%2By%2Bz=28%2C19x%2B22y%2B30z=660%29\"\r
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\n" ); document.write( "\n" ); document.write( "results
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\n" ); document.write( "\"system%28x=12%2Cy=6%2Cz=10%29\"
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\n" ); document.write( "\n" ); document.write( "(used http://matrix.reshish.com/gaussSolution.php )
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