Drying herbs

Herbs lose 75% weight By drying. How many fresh herbs do you have to collect if you want to make 1.5 kg of dried herbs?

Result

x =  6 kg

Solution:

 x−75/100 x=1.5  25x=150  x=6 =6 kg \ \\ x - 75/100 \ x=1.5 \ \\ \ \\ 25x=150 \ \\ \ \\ x=6 \ \\ =6 \ \text{kg}

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