10. Doritos (d) and potato chips (c) are the same price (p). The price can be represented by p(d + c). Which expression DOES NOT represent the price of the hot dogs and hamburgers? a. (d + c)p
b. pd + pc
c. pc + pd
d. pdc

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.