document.write( "Question 680905: Karla's credit card bill is $420.90. Part of the bill is from the previous month's balance, part is in new charges, and part is from a late fee of $39. The previous balance is $172.40 less than the new charges. How much is the previous balance and how much is in new charges? \n" ); document.write( "
Algebra.Com's Answer #804224 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! x = money in new charges\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "420.90 = 39 + x + (x - 172.40) \n" ); document.write( "554.30 = 2x \n" ); document.write( "x = 277.15\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "new charges = x = $277.15 \n" ); document.write( "prev. balances = x - 172.40 = $104.75 \n" ); document.write( " |