Ralph lauren can make at most 30 knit sweaters and 20 trademark polo shirts in a week. it takes a worker 10 hours to make a sweater and 20 hours to make a polo shirt. The total number a worker 10 hours to make a sweater and 20 hours to make a polo shirt. The total number of hours worked by all of the empolyees can be no more than 500 hours per week. If the profit on a sweater is $10 and the profit for a polo shirt is also $10 hpw many of each should ralph lauren make to maximize profit? Hpw many of each should be made if the profit on a polo shirt is $30 and the profit on a sweater is $10?