Mushrooms

Fresh mushrooms contain 90% water, dried only 12%. How many kilograms of fresh mushrooms are needed for 5kg dried?


Correct result:

x =  44 kg

Solution:


(1-0.90)x = (1-0.12)•5

(1-0.90)•x = (1-0.12)•5

0.1x = 4.4

x = 44

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