The ratio of the ages of two people is 3:5. If the sum of their ages is 40, what is the age of the younger person?
Q1. The ratio of the ages of two people is 3:5. If the sum of their ages is 40, what is the age of the younger person?
Answer: 15
Explanation: Let their ages be 3x and 5x. 3x + 5x = 40, so 8x = 40, x = 5. The younger person's age = 3x = 3 * 5 = 15.