The Greenbaum family agreed to pay for 3 months of an online TV service in exchange for a $5 credit on the bill each month.
If the Greenbaums spend atotal of $11.85 on the service over the 3 months,
Let's solve for the normal price of one month of online TV service.
=> 11.85 dollars / 3 months = 3.95 dollars per month is the monthly service.
