document.write( "Question 42385: Frozen (quarter-pound) humbuger patties cost $5.80 for 12. how many can for $7.00? \r
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Algebra.Com's Answer #27526 by tutorcecilia(2152)![]() ![]() You can put this solution on YOUR website! This is a proportion problem. \n" ); document.write( "Compare Dollars to Dollars and Patties to patties. \n" ); document.write( ". \n" ); document.write( "$5.80/12 patties = $7.00/x patties \n" ); document.write( ". \n" ); document.write( "Cross-multiply and solve for x: \n" ); document.write( "5.80x = (12)(7) \n" ); document.write( ". \n" ); document.write( "5.80x = 84 \n" ); document.write( "x = 14.48 or 14 patties.\r \n" ); document.write( "\n" ); document.write( "Another method is to find out how much a single pattie would cost: \n" ); document.write( "If 12 patties cost $5.80, than divide $5.80/12 = $0.483 per pattie. \n" ); document.write( ". \n" ); document.write( "If you have $7.00 to spend and each pattie is $0.483 per pattie, than: \n" ); document.write( "7/0.483 = 14.48 or 14 whole patties. \n" ); document.write( " |