exam Maths Puzzle Numerical Ability

The sum of two numbers is 39 and their difference is 7. What are the numbers?

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exam Other Question

Factor each of the following trinomials completely
2a^3 - 52a^2b + 96ab^2 The speed of a passenger train is 14 mph faster than the speed of a feight train. The passenger train travels 400 mi in the same time that it takes the freight train to travel 330 mi. Find the speed of each train.