document.write( "Question 365772: I am working on Systems of Equations.\r
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document.write( "Jackie bought some stamps for $15.16. Some were 26 cent stamps and soe were 41 cent stamps. She bought 41 stamps in all. How many of each stamp did she buy?\r
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document.write( "I have defined variables as: a=# of 26 cent stamps and b=# of 41 cent stamps\r
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document.write( "I have written out the two equations (i believe they are right but they may be the reason I can't figure out the problem): .26a+.41b=15.16
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document.write( " a+b=41
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document.write( "I have multiplied the first one by 100 to eliminate the decimals, but as I go through the problem using elimination ( that is what I was directed to use my my teacher) I end up with decimals and that can't be right as you can't have 2.121212121 stamps...\r
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document.write( "Hopefully you can help me, it would be much appreciated and thank-you. :) \n" );
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Algebra.Com's Answer #260714 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! 26a + 41b = 1516\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "26(a + b = 41) ___ 26a + 26b = 1066\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtracting (to eliminate a) ___ 15b = 450 ___ b = 30 \n" ); document.write( " |