document.write( "Question 991761: Mrs. Smith bought some $0.20 stamps and an equal amount of $0.32 stamps. She paid a total of $5.20 for all the stamps. How many of each stamp did she buy? \n" ); document.write( "
Algebra.Com's Answer #807731 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! x = number of $0.20 stamps \n" ); document.write( "y = number of $0.32 stamps\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = y \n" ); document.write( "0.2x + 0.32y = 5.2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute: \n" ); document.write( "0.2x + 0.32x = 5.2 \n" ); document.write( "0.52x = 5.2 \n" ); document.write( "x = 10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Mrs. Smith bought 10 of each stamp. \n" ); document.write( " |