Sonoma bikes 5 miles to paige's house. on a map, they measure that distance as 5/6 cm. the same map shows that the mall is 31/2 cm from paige's house. what is the actual distance between page's house and the mall?
show the math steps.

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.