The Council may, by vote of at least five (5) of its members, submit to the electors of the Municipality of Highland Heights amendments to this Charter, or upon a petition, in the form provided in Section 8.04, signed by ten percent (10%) of the registered electors of this Municipality setting forth any proposed amendment, such proposed amendment shall be so submitted to the electors by the Council.
   The submission of any proposed amendment to the electors shall be governed by the requirements of the Constitution of the State of Ohio, and, to such extent as said Constitution shall fail to provide therefor, the Council shall determine the manner for such submission.
   If any such amendment is approved by a majority of the electors voting thereon, it shall become a part of this Charter; except that if two (2) or more inconsistent amendments on the same subject are submitted at the same election, only the one (1) of such amendments receiving the largest affirmative vote, not less than a majority shall become a part of this Charter.