document.write( "Question 957520: if i pay $1.00 for something and sell it for $3.00 or $5.00 what would be the percentage of my profit? \n" ); document.write( "
Algebra.Com's Answer #585204 by Theo(13342)\"\" \"About 
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profit = revenue - cost.\r
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\n" ); document.write( "\n" ); document.write( "rate of profit = (revenue - cost) / cost\r
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\n" ); document.write( "\n" ); document.write( "percent profit = rate of profit * 100.\r
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\n" ); document.write( "\n" ); document.write( "if you buy it for 1 and sell it for 3, then your rate of profit = (3 - 1) / 1 = 2/1 and your percent profit = 200%.\r
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\n" ); document.write( "\n" ); document.write( "if you buy it for 1 and sell it for 5, then your rate of profit = (5 - 1) / 1 = 4 / 1 and your percent profit = 400%.\r
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\n" ); document.write( "\n" ); document.write( "if you buy it for 5 and sell it for 1, then your rate of profit = (1 - 5) / 5 = -4 / 5 and your percent profit = -400/5 = -80%.\r
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\n" ); document.write( "\n" ); document.write( "a negative profit is the same as a loss.\r
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\n" ); document.write( "\n" ); document.write( "a profit of -80% is a loss of 80%.\r
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