The ages of A, B, and C are in the ratio 3:5:7. If the sum of their ages is 90 years, how old is B? Options 20 30 25 35

Question

The ages of A, B, and C are in the ratio 3:5:7. If the sum of their ages is 90 years, how old is B? Options 20 30 25 35
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Solution 1

Let's solve this step by step:

Step 1: The ratio of the ages of A, B, and C is 3:5:7. This means that if you add the ratios together, you get a total of 15 parts (3+5+7).

Step 2: The sum of their ages is given as 90 years. This means that each part in the ratio represents 90/15 = 6 years.

Step 3: Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob

Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solv

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