The present ages of A, B and C are in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. What are their present ages (in years)?
Question
Solution 1
Step 1: Let's assume the present ages of A, B, and C are 4x, 7x, and 9x respectively.
Step 2: According to the problem, eight years ago, the sum of their ages was 56. So, we can write the equation as (4x-8) + (7x-8) + (9x-8) = 56.
Step 3: Simplify the equation: 20x - 24 = 56.
Step 4: Add 24 to bo 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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