Percentage · Find the original heightHow practice works ↓
Question
A bamboo plant is 20% taller this month than it was last month. It is now 240 cm tall. How tall was the plant last month?
- 100% + 20% = 120%
- 120% = 240
- 1% = 240 ÷ 120 = 2
- 100% = 100 × 2 = 200
- Ans: 200 cm