One half plus two thirds plus four sixths equals blank eleven sixths seven elevenths seven sixths nine sixths Plz go to my user and add a thank you and I will do the same too! And if u like u can add me as a friend or I could do the same

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad