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Mathematics, 15.11.2020 05:50 lizzy6629

Susan paints a stack of 30 blocks in a pattern. Starting from the bottom, she paints every 3rd block red and every 5th block green. Wherever red and green land on the same block, she paints that block yellow. The 3rd block from the bottom that is painted green is how many blocks up from the bottom?

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Susan paints a stack of 30 blocks in a pattern. Starting from the bottom, she paints every 3rd block...
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