document.write( "Question 931323: Calculate percentage increase of the price of a hamburger if it increases in price from R8,20 to R9,80.
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Algebra.Com's Answer #565535 by rfer(16322)\"\" \"About 
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9.80-8.20=1.60
\n" ); document.write( "1.60/8.20=0.195=19.5%
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