28

A manufacturer of skis produces two types: downhill and cross-country. The times required for manufacturing and finishing each ski are given in the table. The maximum total weekly hours available for manufacturing and finishing the skis are 55 hours and 19 hours, respectively. The profits per ski are $60 for downhill and $70 for cross-country. Determine how many of each kind of ski should be produced to achieve a maximum profit. Downhill Cross-country Manufacturing time per ski 2.5 hours 0.5 hour Finishing time per ski 0.5 hour 0.5 hour To achieve maximum profit, the manufacturer should produce downhill skis and cross-country skis