document.write( "Question 917741: Sir, I have (a)1300 gms of 96.85% of Silver (b) 6500 gms of 65% of Silver.I want to make 73% by melting (b) with (a). How many gms from (b) I need to add with (a).Thank you. \n" ); document.write( "
Algebra.Com's Answer #556782 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
How much of the silver alloy is wanted?\r
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\n" ); document.write( "\n" ); document.write( "R, grams of silver alloy wanted....?\r
\n" ); document.write( "\n" ); document.write( "Try using ALL of the 65% and find how much of the 96.85% to add to it?\r
\n" ); document.write( "\n" ); document.write( "\"%286500%2A65%2Bh%2A96.85%29%2F%286500%2Bh%29=73\"; if h is a reasonable value, then you have enough of the higher content silver material.\r
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\n" ); document.write( "\n" ); document.write( "\"6500%2A65%2B96.85h=73%28h%2B6500%29\"
\n" ); document.write( "\"6500%2A65%2B96.85h=73h%2B6500%2A73\"
\n" ); document.write( "\"96.85h-73h=6500%2A73-6500%2A65\"
\n" ); document.write( "\"23.85h=8%2A6500\"
\n" ); document.write( "\"h=8%2A6500%2F23.85\"
\n" ); document.write( "\"h=2180\"----Too high for the amount available.\r
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\n" ); document.write( "\n" ); document.write( "Try the other way or, how much mixture is wanted?\r
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\n" ); document.write( "\n" ); document.write( "The question was really this instead:
\n" ); document.write( "How much, u, of the 65% silver metal to mix with 1300 grams of the 96.85% silver metal
\n" ); document.write( "to make 73% silver?
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\n" ); document.write( "\n" ); document.write( "\"highlight_green%28%2865u%2B%2896.85%29%281300%29%29%2F%28u%2B1300%29=73%29\"\r
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\n" ); document.write( "\n" ); document.write( "Solve for u.
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