Wilma works at a bird sanctuary and stores bird seed in plastic containers. she has 3 small containers that holds 8 pounds of bird seed each and 6 large containers that hold 12 pounds of bird seed each. each container was full until she used 4 pounds of bird seed. she wants to put some of the remaining bordered into 30 bird feeders that can hold 2 pounds each. how much birdseed does she have left over? show the expression you used to find your answer.

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.