document.write( "Question 940781: How do I work out percentages for things like. This. If I made an item and it cost Ł50 but then sell it for Ł80 what profit percentage is it. Many thanks. Just need basic method of how to work it out on a calculator. Vinnyjames1965@hotmail.co.uk \n" ); document.write( "

Algebra.Com's Answer #573410 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "an item and it cost Ł $\"50\"$ \r
\n" ); document.write( "\n" ); document.write( " then sell it for Ł $\"80\"$ \r
\n" ); document.write( "\n" ); document.write( "profit percentage is $\"x\"$ % of Ł $\"50\"$ and you add it to Ł $\"50\"$ to get Ł $\"80\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x\"$ % of Ł $\"50%7D%7D+is+%7B%7B%7B%28x%2Fcross%28100%292%29cross%2850%29=x%281%2F2%29=0.5x\"$ of Ł $\"50%7D%7D%0D%0A%0D%0Athen+write+your+equation%3A%0D%0A%0D%0A%7B%7B%7B0.5x=80\"$ ...solve for $\"x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"0.5x=80-50\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"0.5x=30\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=30%2F0.5\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=300%2F5\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=60\"$ %\r
\n" ); document.write( "\n" ); document.write( "so, $\"60\"$ % of Ł $\"50\"$ is Ł $\"50%2A0.60=30\"$ profit\r
\n" ); document.write( "\n" ); document.write( "and Ł $\"50%2B30=80\"$ \r
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