Question

Fresh watermelons contain 90% water by weight
whereas dry watermelons contain 20% water by
weight. What is the weight of dry watermelon obtained
from 20 kgs of fresh watermelon?
(a) 2.4 kg
(b) 2 kg
(c) 2.5 kg
(d) Cannot be determined​

Answer 1

Answer:

(c) 2.5 kg

Hope this helps you, explanation can be found online.