At a wildfire preserve, 1/3 of the total number of reptiles and birds are reptiles. There are 14 reptiles. how many birds are in the preserve? part 1: write an equation
Part 2: solve the equation

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.