What is the Number?

This type of riddle is a classic example of applying algebra to real-world problem solving. To explain it simply, you can let one number be x and the other number be y. According to the problem, one number is 3 more than twice the other, so if y is the second number, then x = 2y + 3. Their sum is 27, so x + y = 27. Substitute the expression of x into the sum equation: (2y + 3) + y = 27. Combining like terms gives 3y + 3 = 27. Then, subtract 3 from both sides: 3y = 24. Divide both sides by 3 to get y = 8. Now substitute y back into x = 2y + 3 to find x: x = 2*8 + 3 = 19. Therefore, the larger number is 19. This problem is not only a great brainteaser but also an effective exercise in setting up and solving linear equations. Practicing these problems helps strengthen your algebra skills, which are essential for more advanced maths topics and standardized tests. Working through such riddles also improves logical thinking and problem-solving abilities, which are valuable beyond mathematics. Whenever you encounter similar problems, try to define variables clearly, translate relations into equations, and then solve systematically. This approach will make math puzzles more approachable and enjoyable.