Tickets to the county fair cost $12 for each adult and $7 for each child write and evaluate an expression to find the cost and 6 children

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.