Terry spent 6$ for breakfast on Monday, twice as much on Tuesday, and on Wednesday Terry spent double what he did the previous two days combined. How much did Terry spend total? 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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Monday: 6$. Tuesday:6(2) = 12$. Wednesday:2(6 + 12) = 36$. Total:6 + 12 + 36 = 54$. So the final answer is 54.