document.write( "Question 278935: Pencils costing 5 cents each are mixed with 4 cent pencils to form a single pack to sale at $1.04. How many of each type should be used if the number at 4 cents is twice of the number at 5 cents. \n" ); document.write( "
Algebra.Com's Answer #202869 by richwmiller(17219) You can put this solution on YOUR website! 5x+4y=104 \n" ); document.write( "y=2x \n" ); document.write( "x=8 5 cent pencils \n" ); document.write( "y=16 4 cent pencils\r \n" ); document.write( "\n" ); document.write( "check \n" ); document.write( "5*8+4*16=104 \n" ); document.write( "40+64=104 \n" ); document.write( "104=104 \n" ); document.write( "ok\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |