SAT math problem. Possible answers are: 4, 5, 6, 7, 8.
A restaurant has 19 tables that can seat a total of 84 people. Some of the tables seat 4 people and the others seat 5 people. How many tables seat 5 people?
If Tom had $100, Dick had $60 and Harry had $40 if the ratio of cash held to cash paid was the same. What was the difference between Tom and Harry's contribution?