document.write( "Question 234801: PURCHASE 50 STAMPS. SOME STAMPS .22 EACH. THE REST .14 EACH TOTAL SPENT IS 10.04
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Algebra.Com's Answer #173102 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! X+Y=50 OR X=50-Y \n" ); document.write( ".22X+.14Y=10.04 REPLACE X BY (50-Y) & SOLVE FOR Y. \n" ); document.write( ".22(50-Y)+.14Y=10.04 \n" ); document.write( "11-.22Y+.14Y=10.04 \n" ); document.write( "-.08Y=10.04-11 \n" ); document.write( "-.08Y=-.96 \n" ); document.write( "Y=-.96/-.08 \n" ); document.write( "Y=12 ANS. \n" ); document.write( "X+12=50 \n" ); document.write( "X=50-12 \n" ); document.write( "X=38 ANS. \n" ); document.write( "PROOF: \n" ); document.write( ".22*38+.14*12=10.04 \n" ); document.write( "8.36+1.68=10.04 \n" ); document.write( "10.04=10.04 \n" ); document.write( " \n" ); document.write( " |