A container has 4 liters of liquid. After evaporation, only 3 liters remain. What percentage evaporated?
Answer
25 percent
How to solve it
1
Original: 4 liters
2
Remaining: 3 liters
3
Evaporated: 4 - 3 = 1 liter
4
Percentage: (1 ÷ 4) × 100 = 25%
Hints
Find amount evaporated
Divide by original amount
Multiply by 100