Algebra-1

A company produces two types of gadgets, A and B. Gadget A yields a profit of 15 dollars per unit and takes 3 hours to produce; Gadget B yields a profit of 10 dollars per unit and takes 2 hours to produce. The company can work a maximum of 120 hours per week, and at least 10 units of Gadget A must be produced daily. Let  be the number of Gadget A and  be the number of Gadget B produced weekly ( are non-negative integers). Write the system of inequalities that represents this situation.  _______.