Read this word problem.
Clara and her family are vacationing in the Netherlands. They began a tour of the North Sea coastline at an elevation of
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8 feet. By the end of the tour, their elevation had decreased by 5 feet. What was their elevation at the end of the tour?
To solve the problem, Braden subtracted
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8–5 and came up with an answer of
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13 feet. Is Braden correct? Why or why not?