A second set with mixed increase, decrease, and comparison questions.
What to focus on
- Mix direct and reverse percentage problems.
- Check the base before calculating.
Quick formula / idea
- Wrong base = wrong answer
If A is 20% more than B and A = 120, then B = 100.
Practice prompts
- A value falls by 25% to become 180. Find original value.
- B is 40% of C and B = 72. Find C.