document.write( "Question 848827: (1) A drawer contains 41 cents and 7 cents stamps. The number of 41 cents stamps is four less than three times the number of 7 cents stamps. The total value of all the stamps is $4.86. How many 41 cents stamps are in the drawer?\r
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document.write( " Equation:\r
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document.write( " Present your answer in one sentence
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Algebra.Com's Answer #805910 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! x = number of 41 cent stamps \n" ); document.write( "y = number of 7 cent stamps\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 3y - 4 \n" ); document.write( "41x + 7y = 486\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute the first equation into the second.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "41(3y - 4) + 7y = 486 \n" ); document.write( "123y - 164 + 7y = 486 \n" ); document.write( "130y = 650 \n" ); document.write( "y = 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "There are 5 7-cent stamps and 11 41-cent stamps. \n" ); document.write( " |