document.write( "Question 367652: a store mixes kenyan coffee worth $11 per kilogram and venezuelan coffee worth $13 per kilogram. The mixture is to sell for $12 per kilogram. Find how much of each should be used to make a 252-kilogram mixture. \n" ); document.write( "

Algebra.Com's Answer #262065 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi, 
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document.write( "Let x represent amount of $13/kg coffee , then (252-x) is the amount of 11/kg coffee
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document.write( "13x + 11(252kg-x) = 12*252kg
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document.write( "2x = 12*252kg - 11*252kg
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document.write( "2x = 252kg
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document.write( "x = 126 kg  venezuelan coffee and 126 kg kenyan coffee\r
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document.write( "checking our answer
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document.write( "13*126 + 11*126 = 1638 + 1386 = 3024 =  12*252 \n" );
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