15kg-1,8kg=13,2kg
15kg - 100%
13,2kg - x
x = (13,2kg × 100%)/15kg = 88%
Woda stanowiła 88% świeżych jabłek.
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15kg-1,8kg=13,2kg
15kg - 100%
13,2kg - x
x = (13,2kg × 100%)/15kg = 88%
Woda stanowiła 88% świeżych jabłek.