Given:
- 145 liters of water fill one-fourth of the tank.
- The tank has 180 liters of water.
Formula Used:
Fraction of the tank filled = Current amount of water / Total capacity
Solution:
1. Total capacity of the tank: Capacity = 145 × 4 = 580 liters
2. Fraction of the tank filled with 180 liters: Fraction filled = 180 / 580 = 9/29 Answer: (b) 9/29
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