document.write( "Question 269611: For lunch Robert had a sandwich and two glasses of milk for a total of 660 calories. The sandwich had 2.4 times as many calories as a glass of milk. How many calories were in the sandwich?
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document.write( "PLEASE PLEASE HELP \n" );
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Algebra.Com's Answer #197597 by ninadbhat(3) ![]() You can put this solution on YOUR website! Let calories in the sandwich = S cal. \n" ); document.write( "Let calories from the glass of milk = M cal.\r \n" ); document.write( "\n" ); document.write( "S + 2M = 600 Cal. \r \n" ); document.write( "\n" ); document.write( "Now Sandwich has 2.4 times more calories than a glass of milk. \n" ); document.write( "it means S = 2.4 M.\r \n" ); document.write( "\n" ); document.write( "Replace S with 2.4M in the first equation.\r \n" ); document.write( "\n" ); document.write( "S + 2M = 600 Cal. \n" ); document.write( "2.4 M + 2M = 600 Cal. \n" ); document.write( "4.4 M = 600 Cal. \n" ); document.write( "M = (600/4.4) Calories \n" ); document.write( "So one glass of milk has (600/4.4) calories and \n" ); document.write( "Sandwich has (600/4.4) * 2.4 calories. \n" ); document.write( " \n" ); document.write( " |