4a/3-b/4=6
5a/6+b=13
solve linear system by elimination...
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Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.
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School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?
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The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of Ο (no approximations).
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