A company is producing two products A and B. In January, the demand for A is 200

Question:

A company is producing two products A and B. In January, the demand for A is 200 units and that of B is 600 units. The time to produce A is 5 hours/unit and that of B is 1 hour/unit. The number of working days in January is 20. Each worker works for 8 hours per day. How many workers are needed in January to meet the aggregate demand of A and B?