document.write( "Question 994415: joe and sam use a metal alloy that is 19% copper to make jewelry. How many ounce of an allow that is 12% copper must be mixed with an alloy that is 25% copper to form 55 ounces of desired alloy? \n" ); document.write( "
Algebra.Com's Answer #613508 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
Here is a video example that can work the same way:
\n" ); document.write( "two-part mixture using just one variable\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x, how much 12% silver
\n" ); document.write( "55-x, how much 25% alloy
\n" ); document.write( "\"%2812x%2B25%2855-x%29%29%2F55=19\"
\n" ); document.write( "
\n" );