Otto used 6 whole cups of whole wheat flour in the recipe. What is the equation that can be used to find value of y, the total amount of flour that Otto used in the recipe, and what are the constraints on the values of x and y?

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.