Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be when she is twice as old as her brother?

Question

Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be when she is twice as old as her brother?
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Solution 1

Sure, let's solve this step by step:

  1. First, we know that Mary is 16 years old and she is four times as old as her brother. So, her brother is 16 / 4 = 4 years old.

  2. We need to find out when Mary will be twice as old as her brother. This means the difference in their ages will remain the same 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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