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Three years ago, A was 5 years older than B. If B is now 12 years old, how old i

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Question: Three years ago, A was 5 years older than B. If B is now 12 years old, how old is A now?

Options:

  1. 10
  2. 12
  3. 15
  4. 18

Correct Answer: 15

Solution: 

Three years ago, B was 12 - 3 = 9 years old. A was 9 + 5 = 14 years old now.

Three years ago, A was 5 years older than B. If B is now 12 years old, how old i

Practice Questions

Q1
Three years ago, A was 5 years older than B. If B is now 12 years old, how old is A now?
  1. 10
  2. 12
  3. 15
  4. 18

Questions & Step-by-Step Solutions

Three years ago, A was 5 years older than B. If B is now 12 years old, how old is A now?
Correct Answer: 14
  • Step 1: Determine B's age three years ago. Since B is now 12 years old, we subtract 3 years: 12 - 3 = 9 years old.
  • Step 2: Find A's age three years ago. We know that A was 5 years older than B at that time. So, we add 5 years to B's age: 9 + 5 = 14 years old.
  • Step 3: Since we want to find A's current age, we add 3 years to A's age three years ago: 14 + 3 = 17 years old.
  • Age Relationships – Understanding how to calculate ages based on given relationships over time.
  • Time Calculation – Calculating ages by considering the passage of time.
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