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)\"\" \"About 
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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( "
\n" );