Final answer:
The reference material points to how most ordinary laws require a majority vote, which is 50 percent + 1 vote to pass. The 75% presentation rule mentioned does not align with the provided material, and further context may be needed.
Step-by-step explanation:
The student has asked about a rule that follows the 80% presentation rule, mentioning a 75% presentation rule. However, the provided reference material does not mention a 75% presentation rule directly. Instead, it refers to the proportion of votes required to pass most ordinary laws. In that context, the correct answer is:
Most ordinary laws require a majority vote to pass, which is option d: 50 percent + 1 vote.
Regarding presentation rules, one might assume that the student is referring to guidelines or practices within parliamentary procedure or organizational settings that govern the percentage of agreement or support required for certain actions or approvals, but this assumption is beyond the information given. As there's no further context provided for the 75% rule related to presentations, my advice is to clarify the question with additional context or consult the appropriate guidelines that are specific to the student's institution or scenario.