Apples 2

Dried apples contain 15% water. Fresh apples contain 80% water. How many kilograms of apples do we need to buy to get 3 kg of dried apples?

Correct answer:

x =  12.75 kg

Step-by-step explanation:

j=15%=10015=203=0.15 c=80%=10080=54=0.8 m=3 kg  (1c) x=(1j) m (10.8) x=(10.15) 3  0.2x=2.55  x=0.22.55=12.75  x=451=12.75=12.75 kg

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