a E6.4 Average sales revenue of a restaurant with 90 seats for a month with a seat turnover of 2.7 and 26 operating days is $64,760. Determine the av- erage check for the month. E6.5 Using information from E6.4, determine the effect on the average check if seat turnover decreases from 2.7 to 2.0 times per day. E6.6 A restaurant with 100 seats, serving both lunch and dinner 6 days per week, reported total annual sales revenue of $998,000. Dinner generates 68% of total sales revenue, with a seat turnover of 1.75. What is the av- erage check for dinner? E6.7 A rooms operation reported a total of 18,760 rooms sold, with a total of 23,450 guests in the previous year. What was the double occupancy rate?