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 a total of $11.85 on the service over the 3 months, what is the normal price of one month of online TV service?

The $11.85 total is what the family paid after receiving a $5 credit each month. Over 3 months, the credits add up to $15, so the normal cost for all 3 months was $11.85 + $15 = $26.85. Divide by 3 to get $8.95 per month, so the normal monthly price is $8.95.

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