1487.9286 rounded to the nearest penny?

Which equation represents the function on the graph?

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.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?