Help:(
Bertha deposited $1000 into a retirement account when she was 18. How much
will Bertha have in this account after 50 years at a yearly simple interest rate of
7.5%?

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