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Washington State Math Olympiad Hints and Solutions 2007 Grade 8 Algebra
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Problem |
1) A bowl of candies sit on the counter. Jerry comes along and takes 1/4 of them. Willow comes along and takes 2/5 of the remaining candies in the bowl, leaving 27. How many were in the bowl to start with?
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2) Lisa is designing her own house. She draws a
side view sketch of the stairs she wants to use to
connect the downstairs with the upstairs. She
notices there's a line that connects all the edges of
the steps as shown in the diagram. If the coordinates
giving the edge of the second step are (2ft, 3/2ft),
what are the coordinates of the edge of the top step?
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3) At Emerald Middle School there can be at most 26 students in a class. If the ratio of boys to girls in Danny's is class is 3:2, at most how many girls can be in his class?
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