Catering Logistics Jessica's Catering Service bakes and delivers lasagnas to parties and group meetings. In a typical week, Jessica has around 40 orders. Each order involves a specific amount of the required lasagna in pounds. A small group would need about 20 lb, whereas a large group would need almost triple that amount. The following table shows the different customer orders that have come in this week, grouped into eight categories by weight.
Job type
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
Weight (lbs) Number
|
20
10
|
25
5
|
30
4
|
35
7
|
40
3
|
45
9
|
50
2
|
55
|
Jessica has an inventory of 25 six-lb trays and 18 ten-lb trays. Although she appears to have enough capacity in her trays, she would like to plan her orders so that the amount of excess lasagna is kept to a minimum. How many six-lb trays and ten-lb trays should Jessica use for each of the orders?