Cost of meal at Olive Garden: $45.71 Tip: 15%
What is the new cost?
$52.57
$6.86
$38.85
$51.84
Please help I literally suck at math:(!

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