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Washington State Math Olympiad
Hints and Solutions
2016 Grade 8 Number Sense
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1) Rewrite 0.72 as a fraction.
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2) A doctor makes a box-and-whisker plot to show the number of patients she sees each day. Identify
upper and lower quartiles.
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3) How many numbers between 100 and 1,000 have exactly 3 factors?
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