document.write( "Question 604709: Bronze which costs $9.10/kg is made by combining copper which costs $8.90/kg with tin which costs $9.50/kg. Find the number of kg of copper and tin required to make 15.3 kg of bronze.
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\n" ); document.write( "Shubham
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Algebra.Com's Answer #381350 by scott8148(6628)\"\" \"About 
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c + t = 15.3\r
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\n" ); document.write( "\n" ); document.write( "8.9c + 9.5t = 9.1 * 15.3\r
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\n" ); document.write( "\n" ); document.write( "solve by substitution or elimination
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