document.write( "Question 97079: Five Proteen Bars and 7 Superdrinks total 1915 calories. Four Proteen Bars and 3 Superdrinks total 1155 calories. How many calories does one Proteen Bar have? One Superdrink? \n" ); document.write( "
Algebra.Com's Answer #70671 by checkley71(8403) ![]() You can put this solution on YOUR website! 5P+7S=1915 MULTIPLY BY -4 \n" ); document.write( "4P+3S=1155 MULTIPLY BY 5 & THEN ADD \n" ); document.write( "-20P-28S=-7660 \n" ); document.write( "20P+15S=5775 \n" ); document.write( "---------------------- \n" ); document.write( "-13S=-1885 \n" ); document.write( "S=-1885/-13 \n" ); document.write( "S=145 CALORIES FOR EACH SUPER DRINK. \n" ); document.write( "5P+7*145=1915 \n" ); document.write( "5P+1015=1915 \n" ); document.write( "5P=1915-1015 \n" ); document.write( "5P=900 \n" ); document.write( "P=900/5 \n" ); document.write( "P=180 CALORIES FOR EACH PROTEEN BARS. \n" ); document.write( " |