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Stock market at the beginning of the day the stock market goes down 40 1/4 points and stays at this level for the most of the day. At the end of the day the stock market goes up 80 1/2 points from the low at the beginning of the day. What is the total change in the stock market from the beginning of the day to the end of the day?

Type an integer, proper fraction, or mixed number
Thank you!