There are x number of student in your class who like pizz and the rest like Mo:Mo. Let's count the number of student who like Mo:Mo and the total numbers of students. Then make an equation and find x

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%