document.write( "Question 239116: A bank charges its customers a general fee of $6 per month plus an additional fee of 10 cents per check written from a checking account. Over the past nine months, a customer was charged $62 in service fees. How many checks did the customer write during that period? \n" ); document.write( "
Algebra.Com's Answer #175618 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 9*6+.10x=62 \n" ); document.write( "54+.10x=62 \n" ); document.write( ".10x=62-54 \n" ); document.write( ".10x=8 \n" ); document.write( "x=8/.10 \n" ); document.write( "x=80 checks were written during the 9 months. \n" ); document.write( "Proof: \n" ); document.write( "9*6+.10*80=62 \n" ); document.write( "54+8=62 \n" ); document.write( "62=62 \n" ); document.write( " |