Based on less than 28 reviewers , Unfinished Business scored over 3.5 % with an approval rating of less than 3.55/10 .
The review aggregator website Rotten Tomatoes reported a 3 % approval rating , based on 30 reviews , with a rating average of 3.6/10 .
Unfinished Business -LRB-2015 film-RRB-