An office has 90 workers. 2/3rds of them are men and the rest are women. The company hires 10 new employees and 100% of them are women. What is the total percentage of women in the company now? Give me reasons, before answering the question

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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1 / 3rd of the workers before the new hires were women because 1 - (2 / 3) = 1 / 3. There were 30 women working for the company before the new hires. There are now 40 women working for the company because 30 + 10 = 40. There are 100 people working for the company because 90 + 10 = 100. The proportion of women working in the company is .4 because 40 / 100 = .4. The percentage of women working in the company is now 40 because .4 x 100 = 40. So the final answer is 40.