The present ages of three persons are in proportions 4 : 7 : 9.Eight years ago, the sum of their ages was 76.Find their present ages (in years).
Question
Solution 1
Let's denote the present ages of the three persons as 4x, 7x, and 9x.
Step 1: Calculate their ages 8 years ago. Their ages 8 years ago would be 4x - 8, 7x - 8, and 9x - 8.
Step 2: Set up the equation. According to the problem, the sum of their ages 8 years ago was 76. So, we can set up the foll Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
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