document.write( "Question 1001281: You maintain an average balance of $840 on your credit card, which carries a 15% annual interest rate. What is the monthly interest payment? \n" ); document.write( "
Algebra.Com's Answer #618525 by fractalier(6550)\"\" \"About 
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Well 1/12 of 15% is 1.25%.
\n" ); document.write( "So then 1.25% of $840 = .0125(840) = $10.50
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