Sara got her first paycheck of two weeks of work. She had worked 40 hours a week at $11.50 per hour. The first thing she did was buy a new set of tires for her car for $410. How much money was she left with? Let's think first. Chain of thought:

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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Sara worked 40 * 2 = 80 hours over two weeks. She earned 11.50 * 80 = $920. After buying new tires, she had $920 - 410 = $510 left.
Therefore, the answer is 510.