The sum of two numbers is 45. One number is two-thirds of the other. What is the smaller number?
Q1. The sum of two numbers is 45. One number is two-thirds of the other. What is the smaller number?
Answer: 18
Explanation: Let the larger number be x and the smaller be (2/3)x; their sum x + (2/3)x = (5/3)x = 45 gives x = 27, so the smaller number = 18.