document.write( "Question 558198: Hello:
\n" ); document.write( "please help me fiqure out this word problem for future math problems with the step to perform: i do recall this problems but it has been a while since i done this word math problem
\n" ); document.write( "this is the problem: How much of an alloy that is 40% copper should be xixed with 500 ounce tha is 80% copper in order to get an alloy that is 60% copper. \n" ); document.write( "

Algebra.Com's Answer #854083 by josgarithmetic(39790) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "PERCENT COPPER         QUANTITY          PURE COPPER\r\n" );
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document.write( "   40                     x                 0.4x\r\n" );
document.write( "   80                    500 oz.            0.8*500\r\n" );
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document.write( "   60                    x+500              0.4x+0.8*500\r\n" );
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\n" ); document.write( " $\"highlight_green%28%280.4x%2B0.8%2A500%29%2F%28x%2B500%29=0.6%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"0.4x%2B0.8%2A500=0.6%28x%2B500%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"0.4x%2B0.8%2A500=0.6x%2B0.6%2A500\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"0.8%2A500-0.6%2A500=0.6x-0.4x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"500%280.8-0.6%29=%280.6-0.4%29x\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"highlight%28x=500%28%280.8-0.6%29%2F%280.6-0.4%29%29%29\"$
\n" ); document.write( "Compute this. \n" ); document.write( "

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