URGENT an elevator travels 230 feet in 10 seconds. at that speed explain the reasoning please :) |6th grade math

Does anyone know how to do geometryme with this problem

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.

Item 1 solve for s. s+24=90 −114 −66 66 114