A12 oz bag of toll house chocolate chips costs $3.60 a 20 oz bag of hershey chocolate chips costs $4.40 which size is better buy

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers. a) one of the 400 passengers is selected uniformly at random. let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

For each proportion find the unknown number x 1/5/8=×/15

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers