Zoo, Buses, and Kids

Problem Description. This problem is offered by Alex Fleischer as follows:
“300 kids need to travel to the London zoo. The school may rent 40 seats and 30 seats buses for 500 and 400 £. How many buses of each to minimize cost?” 

Implementation. Here is the problem Glossary:

Test Case:

Here is two main sub-decisions:

The following table defines unknown decision variables:

The next table posts the main problem constraint:

Here are the execution results:

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