The strike began Sept. 13 with an overwhelming 94.6% rejection of the company’s offer to raise pay by 25% over four years. Factory workers at Boeing voted to accept a contract offer and end their strike after more than seven weeks, clearing the way for the aerospace giant to resume production of its bestselling airliner and generate much-needed cash.Leaders of the International Association of Machinists and Aerospace Workers district in Seattle said 59% of members who cast ballots agreed to approve the company’s fourth formal offer and the third put to a vote.