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 #204272 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 32x+20y=336 \n" ); document.write( "4*(8x+5y) = 336 \n" ); document.write( "8x+5y = 84 \n" ); document.write( "x=2y \n" ); document.write( "y=4 \n" ); document.write( "x=8 \n" ); document.write( "check \n" ); document.write( "32*8+20*4=336 \n" ); document.write( "256+80=336 \n" ); document.write( "check \n" ); document.write( " |