document.write( "Question 241479: Is it possible to spend $30 for 100 stamps consisting of 20-cent stamps and 33-cent stamps? \n" ); document.write( "
Algebra.Com's Answer #176863 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x+y=100 or x=100-y \n" ); document.write( ".20x+.33y=30 \n" ); document.write( ".20(100-y)+.33y=30 \n" ); document.write( "20-.20y+.33y=30 \n" ); document.write( ".13y=30-20 \n" ); document.write( ".13y=10 \n" ); document.write( "y=10/.13 \n" ); document.write( "y=76.9 33 cent stamps. \n" ); document.write( "Ans. is NO. \n" ); document.write( " \n" ); document.write( " |