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O had nothing. M gave O 1/5 of his money, L gave O 1/4; N gave O 1/3. Each gave O same amount. What fractional part of total does O have? What is obeah exactly? Ayudaaa por favor? Three circles with radius 2 are mutually tangent. What is the total area of the circles and the region bounded by them? A pigeon has 80 chromosomes in its diploid cells. How many does it have in its body cells?