



 
Hi Avi, The soil initially weighed 2,000 grams and after drying weighed 1,700 grams. Thus the water content was 300 grams. Hence the fraction of the original 2,000 grams that is water is $\large \frac{300}{2000} = \frac{3}{20} = \normalsize 0.15 .$ As a percentage this is $0.15 \times 100 = 15 \mbox{ percent.}$ Penny  


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