A farmer can plant up to 6 acres of land with soy beans and corn or use of a necessary pesticide is limited by federal regulations to 15 gallons for her entire 6 acres soybean requires 2 gallons of pesticide for every acres planted and corn requires 3 gallons per acre the profit the farmer makes by earning 4000 for every acres of soybeans the plants and 3000 for every acre she plants with barley can be modeled by P = 4000 X +3000 y what is the maximum profit that she can earn