COMPOUND RULE OF THREE THE TIP OF THE CENTURY. IFRN, IFRJ, IFCE, IFPE, IFAL, IFTO, IFPI, IFMA.

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FOLLOW THE TEACHER: INSTAGRAM https://www.instagram.com/micamatica/... If 20 men working for 15 days build 500 meters of a wall, how many men will be needed to build another 1000 meters of this wall in 30 days? a) 25 b) 27 c) 24 d) 22 e) 20 It is known that 4 machines, operating 4 hours a day, for 4 days, produce 4 tons of a certain product. How many tons of the same product would be produced by 6 machines of that type, operating 6 hours a day, for 6 days? a) 6 b) 8 c) 10.5 d) 13.5 e) 15

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