document.write( "Question 1001627: a metal is made from copper,zinc and lead in the ratio 13:6:1. the mass of the zinc is 90kg. calculate the mass of the metal \n" ); document.write( "
Algebra.Com's Answer #618763 by josgarithmetic(39617)\"\" \"About 
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The ratio can give you the fraction which is zinc.\r
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\n" ); document.write( "\n" ); document.write( "\"6%2F%2813%2B6%2B1%29\", how much of the metal is zinc, AS A FRACTION of the metal alloy or mixture.\r
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\n" ); document.write( "\n" ); document.write( "\"90%28gramsZinc%29%2A%28%2813%2B6%2B1%29%2F6%29%28gramsMetal%2FgramsZinc%29\"
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