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Five years ago, E was three times as old as F. If F is currently 10 years old, h

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Question: Five years ago, E was three times as old as F. If F is currently 10 years old, how old is E now?

Options:

  1. 15
  2. 20
  3. 25
  4. 30

Correct Answer: 20

Solution: 

Five years ago, F was 5 years old. So, E was 3 * 5 = 15 years old then. Now, E is 15 + 5 = 20 years old.

Five years ago, E was three times as old as F. If F is currently 10 years old, h

Practice Questions

Q1
Five years ago, E was three times as old as F. If F is currently 10 years old, how old is E now?
  1. 15
  2. 20
  3. 25
  4. 30

Questions & Step-by-Step Solutions

Five years ago, E was three times as old as F. If F is currently 10 years old, how old is E now?
  • Step 1: Determine F's current age, which is given as 10 years old.
  • Step 2: Calculate F's age five years ago by subtracting 5 from F's current age: 10 - 5 = 5 years old.
  • Step 3: According to the problem, five years ago, E was three times as old as F. So, calculate E's age at that time: 3 * 5 = 15 years old.
  • Step 4: Now, to find E's current age, add 5 years to E's age from five years ago: 15 + 5 = 20 years old.
  • Age Relationships – Understanding how to relate the ages of two individuals over time.
  • Basic Arithmetic – Applying addition and multiplication to solve age-related problems.
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