Cassidy and Mia measure how far they ride their bikes one afternoon. Cassidy rides her bike 4/10 mile Mia rides her bike 56/100 mile. What fraction of a mile do the girls ride their bikes altogether?

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