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Answer: 48 minutes
Solution: If the program is done scanning ¾ of the computer’s memory, then it has ¼ left. Since we know that it takes 12 minutes to scan ¼ of the memory, it takes 12 × 4 = 48 minutes to scan the whole thing.
Answer: 708,588
Solution: Clementine has 4 hair color options the first month. Since she dyes her hair a different color every month, there are 3 options for each of the rest of the months because the color she used the month before is not an option. So, there are 4 × 311 = 708,588 different combinations of colors that Clementine could dye her hair from month to month in a year.
