In a shop, the number of jackets is 8 more than three times the number of coats. If there are a total of 56 jackets and coats, how many jackets are in the shop?

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Can someone pls ! pls answer all. no explanation needed..

Suppose that an airline uses a seat width of 16.516.5 in. assume men have hip breadths that are normally distributed with a mean of 14.414.4 in. and a standard deviation of 0.90.9 in. complete parts (a) through (c) below. (a) find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.516.5 in. the probability is nothing. (round to four decimal places as needed.)