Step 1. Choose the lowest common denominator Find the sum of of and 10
02 03 04 05 06 08 010 012
The expression written in equivalent form
with common denominators is
The sum is
1/5 + 7/5
2/5 + 7/5
1/10 + 7/10
2/10 + 7/10

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