The decay rate of certain substances is directly proportional to the amount present at that instant. Initially, there are 27 grams of substance and 3 hours later it is found that 8 grams left. The amount left after one more hour is……
A. 5\(\frac{2}{3}\) grams
B. 5\(\frac{1}{3}\) grams
C. 5.1 grams
D. 5 grams
Answer:B
The decay rate of certain substances is directly proportional to the amount present at that instant. Initially, there are 27 grams of substance and 3 hours later it is found that 8 grams left. The amount left after one more hour is……
A. 5\(\frac{2}{3}\) grams B. 5\(\frac{1}{3}\) grams C. 5.1 grams D. 5 grams