What are the three ways the Constitution can be amended? proposed by three-fourths of both houses and ratified by two-thirds of the states proposed by two-thirds of both houses and ratified by three-fourths of the states ratified by special conventions in three-fourths of the states ratified by special conventions in one-half of the states

All 27 Amendments have been ratified after two-thirds of the House and Senate approve of the proposal and send it to the states for a vote. Then, three-fourths of the states must affirm the proposed Amendment.

First, an amendment may be proposed by two-thirds of both houses of Congress and ratified by the legislatures of three-fourths of the states. Second, it may be ratified by special conventions in three-fourths of the states. A third method is for an amendment to be proposed by a special convention called upon application by two-thirds of the state legislatures, and ratified by three-fourths of the state legislatures.

Explanation:

a is the final ! : )