Type of Vehicle |
Cost |
Capacity (no. of deliveries/day) |
Van |
$30,000 |
200 |
Truck |
$45,000 |
500 |
You have an average of 3000 deliveries per day. You must have at least one van.
Set up the integer programming problem.
X1 : Number of vans
X2 : Number of trucks
Number of deliveries per day for X1 vans
= Capacity for X1 vans = X1 x Capacity for one van = 200X1
Number of deliveries per day for X2Trucks
= Capacity for X2 trucks = X2 x Capacity for one truck = 500X2
Average deliveries to be made = 3000
200X1 + 500X2 3000
Cost of X1 vans = 30000X1
Cost of X2 trucks = 45000X2
Cost of the fleet : 30000X1 + 45000X2
You must have at least one van i.e X1 1
Minimize the cost the fleet : i.e
Minimize : 30000X1 + 45000X2
Subject to
200X1 + 500X2 3000
X1 1
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