The senate president,as many as votes get to the whole courtroom.
If everyone in the US House of Representative votes, a majority is 218. If everyone votes, there is no chance of a tie.
A vetoed bill must be passed by a 2/3 favorable vote in both houses of Congress in order to become law. If everybody votes, this means 290 votes in the House and 67 votes in the Senate.
Each state gets one vote
435 members
A majority. Since there are currently 538 votes, 270 votes are required.
225
270+
270 votes from the electoral college are required to become president.
A two-thirds majority vote in both the House of Representatives and in the Senate is required to override a presidential veto.
2/3
The lower house has 435 members, each with one vote.