If you can only use 3 of these numbers once to find a sum of 30 without subtracting or adding additional numbers, what three numbers would you use out of 1, 3, 5, 7, 9, 11, 13, and 15? () + () + () = 30
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You randomly choose one of the tiles out of a bag with the numbers 5,6,7,8,9,10,20 written on the tiles. Without replacing the first tile, you choose a second tile.
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