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Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race
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Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.
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The sum of two numbers is 86, and their difference is 20. find the two numbers
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To determine the number of deer in a forest a forest ranger tags 280 and releases them back
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If x =3 find the value of 140+5x^2...
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