document.write( "Question 936094: Lubricating oil worth 28 cents/quart is to be mixed with oil worth 33 cents/quart to make up 45 quarts of a mixture to sell at 30 cents/quart. What volume of each grade should be taken? \n" ); document.write( "
Algebra.Com's Answer #569570 by TimothyLamb(4379)\"\" \"About 
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x = quarts of 28 cent oil
\n" ); document.write( "y = quarts of 33 cent oil
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\n" ); document.write( "x + y = 45
\n" ); document.write( "28x + 33y = 30*45
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\n" ); document.write( "put the system of linear equations into standard form
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\n" ); document.write( "x + y = 45
\n" ); document.write( "28x + 33y = 1350
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\n" ); document.write( "copy and paste the above standard form linear equations in to this solver:
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\n" ); document.write( "solution:
\n" ); document.write( "x = quarts of 28 cent oil = 27
\n" ); document.write( "y = quarts of 33 cent oil = 18
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