Based on less than 75 reviewers , Unfinished Business scored over 13.5 % with an approval rating of less than 3.65/10 .
The review aggregator website Rotten Tomatoes reported a rating of 13 % , based on 77 reviews , with a rating average of 3.7/10 .
Unfinished Business -LRB-2015 film-RRB-