document.write( "Question 371699: Ms.Mynm bought 54 stamps for $12.00. She bought three times as many 39 cent stamps as 63 cent stamps, and the rest were 4 cent stamps. How many of each type did she buy?\r
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document.write( "63 cent 39 cent 4 cent
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Algebra.Com's Answer #264755 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Ms.Mynm bought 54 stamps for $12.00. She bought three times as many 39 cent stamps as 63 cent stamps, and the rest were 4 cent stamps. How many of each type did she buy?\r \n" ); document.write( "\n" ); document.write( "63 cent 39 cent 4 cent \n" ); document.write( "x 3x 54-(3x+x) \n" ); document.write( "... \n" ); document.write( "63x+39*3x+4(54-4x)=1200 \n" ); document.write( "63x+117x+216-16x=1200\r \n" ); document.write( "\n" ); document.write( "164x+216=1200 \n" ); document.write( "164x=1200-216 \n" ); document.write( "164x=984 \n" ); document.write( "/164 \n" ); document.write( "x= 984/164 \n" ); document.write( "x= 6 \n" ); document.write( "39cent = 3x= 18 \n" ); document.write( "4 cent =(54-4x)=(54-24)=30 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |