document.write( "Question 104447: Can you show me Step-By-Step how to solve this problem?\r
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document.write( "Luanne bought 50 stamps, some costing 22 cents each, and the rest costing 14 cents each. She paid the postal clerk $10.04 for all the stamps. How many of each type of stamp did luanne buy? \n" );
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Algebra.Com's Answer #75982 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! let x=(22 cent stamps), so 50-x=(14 cent stamps)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the number of stamps multiplied by their value gives the total cost, $10.04 \n" ); document.write( "... working in cents avoids problems with decimal points\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "22(x)+14(50-x)=1004 ... 22x+700-14x=1004 ... 8x=304 ... x=38\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "50-(38)=12 \n" ); document.write( " |