exam Maths Puzzle Numerical Ability

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18x^5y^4, 6x^6y^3, and 12x^4y^5

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exam Other Question

solving inequalities: 5x - 14 <6 a plane flies 900 miles with a tail wind, in 3 hours. It takes the same plane 4 hours to fly the 900 miles when flying against the wind. What is the planes speed in still air?