The mass of a bag of flour is 7 kg 500 g. Joyce repacks the flour into 12 small packs of equal mass. What is the mass, in kilograms, of each small pack of flour?(1kg = 1,000 g)

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.