Answer: 22.13 months
Step-by-step explanation:
The number of months that it will take Dennis to pay off his credit card will be calculated thus:
Balance amount = $5000
Monthly payment = $250
Interest rate = 10.7%/12 = 0.89%
The number of months will be:
= NPER(0.89, -250, 5000, 0).
= 22.13 months