A garrison of 150 men is provided with a ration for 25 days. If they have to stay for a period of 5 days more, by what amount they should decrease their consumption?

A garrison of 150 men is provided with a ration for 25 days. If they have to stay for a period of 5 days more, by what amount they should decrease their consumption?
1). 13%
2). 17%
3). 20%
4). 25%

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