document.write( "Question 1106363: A chemist has two alloys, one of which is 10% gold and 25% lead and the other which is 40% gold and 50% lead. How many grams of each of the two alloys should be used to make an alloy that contains 67 g of gold and 142.5 g of lead? \n" ); document.write( "
Algebra.Com's Answer #721342 by josgarithmetic(39617)\"\" \"About 
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x of the first alloy
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\n" ); document.write( "\n" ); document.write( "WANT 67 grams gold and 142.5 grams lead\r
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\n" ); document.write( "\n" ); document.write( "\"system%280.1x%2B0.4y=67%2C0.25x%2B0.5y=142.5%29\"
\n" ); document.write( "Simplify and solve.
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