Farmer Dubble wanted to sell some pisquets and umpts at the market. He expected to sell no fewer than 14 units. He expected to sell at least 14 umpts. He planned to charge $5 per pisquet and $2 per umpt. He expected to make at most $40. Write a system of statements, in standard form, modeling the relationship amoung the pisquets(x) and amount of umpts(y).