Each student at a community college pays a student services fee of $15. a. Complete the table below to help find an expression that describes the total cost (in dollars) of tuition plus the services fee if a student pays t dollars for tuition. Show the arithmetic to help you see a pattern.
b. Evaluate the expression you found in part (a) for t =317. What does your result mean in this situation?
Complete the table.
Tuition Total Cost
(dollars) (dollars)

300
301
302
303
t

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.