Fresh mushrooms contain 88% water and dried 14% water. How many kilograms of fresh mushrooms should be collected to get 3 kg of dried?

Correct answer:

x =  21.5 kg

Step-by-step explanation:

(1-0.88)x + 0.14 · 3 = 3

(1-0.88)·x + 0.14 · 3 = 3

0.12x = 2.58

x = 2.58/0.12 = 21.5

x = 43/2 = 21.5

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