HELP I WILL GIVE BRAINLIEST

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

I'm marking the brainliest and it's 15 points

How much is $1200 worth at the end of1 year,if the interest rate is 5.5% is compounded quarterly.