Ann took a taxi home from the airport to taxi fare was $2.10 per mile and she gave the driver a tip of five dollars and paid a total of $49.10 Write an equation to turn the distance of miles (X) between airport and Ann’s home

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.