document.write( "Question 182783: Method of Elimination solving Problem
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document.write( "15. Bhargav stops in at a deli to get lunch for his crew. He buys five roast beef and three vegetarian sandwiches and the order costs $27.50. The next week, he pays he pays $23.00 for two broast beef and six vegetarian sandwiches. How much does one roast beef sandwiches cost?
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Algebra.Com's Answer #137272 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 5B+3V=27.50 MULTIPLY BY -2 & ADD. \n" ); document.write( "2B+6V=23.00 \n" ); document.write( "-10B-6V=-55.00 \n" ); document.write( "----------------- \n" ); document.write( "-8B=-32.00 \n" ); document.write( "B=-32.00/-8 \n" ); document.write( "B=$4.00 FOR EACH ROAST BEEF SANDWICH. \n" ); document.write( "2*4.00+6V=23.00 \n" ); document.write( "8.00+6V=23.00 \n" ); document.write( "6V=23.00-8.00 \n" ); document.write( "6V=15.00 \n" ); document.write( "V=15.00/6 \n" ); document.write( "V=$2.50 FOR EACH VEGETARIAN SANDWICH. \n" ); document.write( "PROOF: \n" ); document.write( "5*4+3*2.50=27.50 \n" ); document.write( "20+7.50=27.50 \n" ); document.write( "27.50=27.50\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |