document.write( "Question 1089928: A store mixes Kentucky bluegrass worth $10 per pound and ryegrass worth $ 14 per pound. The mixture is to sell for $11 per pound. Find how much of each should be used to make a 360-pound mixture. \n" ); document.write( "

Algebra.Com's Answer #704311 by ikleyn(52878) $\"\"$ $\"About$

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document.write( "  x +   y = 360,        (1)     (x = pounds of Kentucky bluegrass)\r\n" );
document.write( "10x + 14y = 11*360.     (2)     (y = pounds of ryegrass)\r\n" );
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document.write( "From (1), express y = 360 - x, and substitute into equation (2). You will get\r\n" );
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document.write( "10x + 14(360 - x) = 11*360.\r\n" );
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document.write( "Simplify and solve or x:\r\n" );
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document.write( "10x + 14*360 - 14x = 11*360,\r\n" );
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document.write( "-4x = 11*360 - 14*360 = (-3)*360,\r\n" );
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document.write( "x =  = 3*90 = 270.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Answer. 270 pounds Kentucky bluegrass to be mixed with (360-270) = 90 pounds of ryegrass. \r
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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\n" ); document.write( "\n" ); document.write( "To see more examples/samples solved mixture problems, to see more details and explanations, look into the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Mixture problems\r
\n" ); document.write( "\n" ); document.write( "    - More Mixture problems\r
\n" ); document.write( "\n" ); document.write( "    - Solving typical word problems on mixtures for solutions \r
\n" ); document.write( "\n" ); document.write( "    - Word problems on mixtures for antifreeze solutions \r
\n" ); document.write( "\n" ); document.write( "    - Word problems on mixtures for alloys \r
\n" ); document.write( "\n" ); document.write( "    - Typical word problems on mixtures from the archive\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "Read them and become an expert in solution the mixture word problems.\r
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this textbook in the section \"Word problems\" under the topic \"Mixture problems\".\r
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