document.write( "Question 1181173: a grocer sells Brazilian coffee at R30 per kilogram and Colombian coffee at R51 per kilogram.calculate how many kilograms of each should he mix to have a blend of 50 kilograms that he can sell at R42.60 per kilogram \n" ); document.write( "
Algebra.Com's Answer #811023 by ikleyn(52788)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "When students come to the forum with such problems,  they should learn  THE  LOGIC  of the solution,\r
\n" ); document.write( "\n" ); document.write( "and that is all what they should know.\r
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\n" ); document.write( "\n" ); document.write( "The students should not know these formulas,  that  @josgarithmetic tries to sell you.\r
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\n" ); document.write( "\n" ); document.write( "Even do not try to understand or memorize these formulas --- keeping them in your mind is absolutely useless\r
\n" ); document.write( "\n" ); document.write( "and will teach you to NOTHING.\r
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\n" ); document.write( "\n" ); document.write( "THEREFORE,  for a sake of your safety,  ignore his post and do not load this  TRASH  into your head / (mind).\r
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\n" ); document.write( "\n" ); document.write( "May god saves you from it . . . \r
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\n" ); document.write( "\n" ); document.write( "Keep your mind clean for more useful/vital tasks of your life.\r
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