document.write( "Question 972344: jan brought 6 doughnuts for 3.50. tom brought 12 cookies and 5 doughnuts for 5.23 what is the cost of 1 cookie \n" ); document.write( "
Algebra.Com's Answer #594683 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 6 D=3.50; D=3.5/6 \n" ); document.write( "12C+5D=5.23\r \n" ); document.write( "\n" ); document.write( "12C + 5(3.5/6)=5.23 \n" ); document.write( "12C + (17.5/6)=5.23 \n" ); document.write( "12C=5.23-2.92=2.31\r \n" ); document.write( "\n" ); document.write( "C=2.31/12=19.25 cents/cookie \n" ); document.write( " \n" ); document.write( " |