Answer:
28
Explanation:
Given: In order to vote on any decision, a club requires the presence of
of all club members. to be approved, a proposal needs
of the votes cast. a club has membership of
.
To Find: minimum number of votes needed for a proposal to be approved.
Solution:
Total number of members in club

Minimum presence required for vote on any decision

Minimum presence required for vote


Minimum vote required to approve a proposal

Total vote cast

putting value,
Minimum vote required to approve a proposal

Hence minimum 28 votes are required for a proposal to be approved.