Use data from Item 2(the img attached). What is the difference of the means as a multiple of the mean absolute deviations? Explain how you solved this problem(wording is very confusing i dont understand it)

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

Two airplanes start at the same place and travel in opposite directions, one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?