document.write( "Question 993490: Wayne has a collection of 2 cent and 5 cent stamps. He has three times as many 2 cent stamps as 5 cent stamps. The total value is 66 cents. How many stamps does Wayne have? \n" ); document.write( "
Algebra.Com's Answer #807718 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! x = number of 2 cent stamps \n" ); document.write( "y = number of 5 cent stamps\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 3y \n" ); document.write( "2x + 5y = 66\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute the first equation into the second equation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2(3y) + 5y = 66 \n" ); document.write( "11y = 66 \n" ); document.write( "y = 6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Wayne has 6 five-cent stamps. \n" ); document.write( " |