16) The cost to get shirts printed at a store are shown by the following expressions, where s represents the number of shirts printed:
Store A: 5.5s + 3
Store B: 4s + 8
Which store has the lowest cost if you plan on printing 6 shirts?

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.