For field day, Mrs. Douglas puts students into teams. There are 48 boys and 64 girls. Each team must have the same number of boys and the same number of girls. All students must participate. What is the greatest number of teams Mrs. Douglas can create?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.