Based on more than 28 reviewers , Unfinished Business scored under 3.5 % with an approval rating of more than 3.55/10 .
The review aggregator website Rotten Tomatoes reported a 4 % approval rating , based on 26 reviews , with a rating average of 3.5/10 .
Unfinished Business -LRB-2015 film-RRB-