document.write( "Question 1161277: Raisins worth $4.20/kg are mixed with dried fruit worth $6.90/kg to make a mixture worth $5.28/kg. How many kilograms of dried fruit must be used to make 10 kg of the mixture.\r
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Algebra.Com's Answer #784796 by josgarithmetic(39618)\"\" \"About 
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document.write( "                    PRICE       MASS       COST\r\n" );
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document.write( "raisins             4.2        10-x       4.2(10-x)\r\n" );
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document.write( "dried fruit         6.9         x         6.9x\r\n" );
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document.write( "MIXTURE            5.28        10        5.28*10\r\n" );
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\n" ); document.write( "Equate the costs.
\n" ); document.write( "\"4.2%2810-x%29%2B6.9x=52.8\"
\n" ); document.write( "Simplify and solve for x.\r
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\n" ); document.write( "\n" ); document.write( "-----------All In Variables Only---------------\r
\n" ); document.write( "\n" ); document.write( "KNOWN VARIABLES, GIVEN: R, F, T, M
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document.write( "                    PRICE       MASS       COST\r\n" );
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document.write( "raisins             R          M-x        R(M-x)\r\n" );
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document.write( "dried fruit         F           x         Fx\r\n" );
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document.write( "MIXTURE            T            M          MT\r\n" );
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\n" ); document.write( "\"highlight_green%28R%28M-x%29%2BFx=MT%29\"\r
\n" ); document.write( "\n" ); document.write( "\"RM-Rx%2BFx=MT\"\r
\n" ); document.write( "\n" ); document.write( "\"Fx-Rx=MT-RM\"\r
\n" ); document.write( "\n" ); document.write( "\"%28F-R%29x=M%28T-R%29\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=M%28%28T-R%29%2F%28F-R%29%29%29\" \n" ); document.write( "
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