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The ages of A and B are presently in the ratio of 3 : 5. Nine years ago this ratio will become 12 : 23. What is the present age of A?

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The ages of A and B are presently in the ratio of 3 : 5. Nine years ago this ratio will become 12 : 23. What is the present age of A?
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Solution 1

Let's solve this step by step:

Step 1: Let's assume the present ages of A and B are 3x and 5x respectively.

Step 2: According to the problem, nine years ago, the ratio of their ages was 12:23. So, we can write this as (3x - 9) / (5x - 9) = 12/23.

Step 3: Cross-multiplying gives us 23*(3x - 9) = 1 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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