document.write( "Question 280059: a boy was sent to the pst office with $16.25 to buy 2, 3, and 5 cent stamps. he bough 50 mre 3 cent stamps than 2 cent stamps and 25 less 5cent stampsthan 2 cent stamps. how many f each kind did he buy?\r
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document.write( "if someone can please help me understnd how to do this question it will be greatly appraicated. \n" );
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Algebra.Com's Answer #203567 by Stitch(470)![]() ![]() ![]() You can put this solution on YOUR website! Set-Up \n" ); document.write( "-------- \n" ); document.write( "Let A = 2 Cent stamps \n" ); document.write( "Let B = 3 Cent stamps \n" ); document.write( "Let C = 5 Cent stamps \n" ); document.write( "Notice that each statement is in terms of the 2 cent stamps. \n" ); document.write( "Equation 1: \n" ); document.write( "Equation 2: \n" ); document.write( "Equation 3: \n" ); document.write( "\n" ); document.write( "Solution \n" ); document.write( "------------ \n" ); document.write( "Use substitution. \n" ); document.write( "Substitute equation 1 and 2 into equation 3 \n" ); document.write( "Equation 3: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------ \n" ); document.write( "Now plug 160 into equations 1 & 2 for A \n" ); document.write( "Equation 1: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Equation 2: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Check the answers: \n" ); document.write( "---------------------- \n" ); document.write( "You can check your answers by plugging in the values into equation 3 \n" ); document.write( "Equation 3: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |