document.write( "Question 281186: Using only 32-cent and 20 cent stamps, Charlie put $3.36 postage on a package he sent to his sister. He used twice as many 32-cent stamps as 20-cent stamps. Determine how many of each type of stamps he used.
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Algebra.Com's Answer #204268 by brucewill(101)![]() ![]() ![]() You can put this solution on YOUR website! Let x = Number of 20c stamps \n" ); document.write( "Therefore, 2x = Number of 32c stamps\r \n" ); document.write( "\n" ); document.write( "20(x) + 32(2x) = 336 \n" ); document.write( "20x + 64x = 336 \n" ); document.write( "84x = 336 \n" ); document.write( "x = 4 (20c stamps) \n" ); document.write( "x2 = 8 (32c stamps).\r \n" ); document.write( "\n" ); document.write( "Verify: \n" ); document.write( "4 x 20 = 80 cents \n" ); document.write( "8 x 32 = 256 cents \n" ); document.write( "80+256 = $3.36.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |