Ralph’s age is currently 3 years more than twice Joe’s age. But, 3 years ago Ralph was four times as old as Joe was then. How old will Joe be in 10 years?

Question

Ralph’s age is currently 3 years more than twice Joe’s age. But, 3 years ago Ralph was four times as old as Joe was then. How old will Joe be in 10 years?
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Solution 1

Let's denote Ralph's current age as R and Joe's current age as J.

From the problem, we have two equations:

  1. R = 2J + 3 (Ralph’s age is currently 3 years more than twice Joe’s age)

  2. R - 3 = 4(J - 3) (3 years ago Ralph was four times as old as Joe was then)

We can substitute equation 1) into 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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