Concept explainers
a.
To find the weight in pounds gained by the lobster after each molting.
a.

Answer to Problem 52E
The weight gained by the lobster after first molting is
The weight gained by the lobster after second molting is
The weight gained by the lobster after third molting is
The weight gained by the lobster after fourth molting is
Explanation of Solution
Given information:
The given statement is:
“A lobster periodically sheds its shell and grows a new shell. During this process, which is called molting, the weight of the lobster increases, as shown in the table:”
Calculation :
Weight gained by the lobster after each molting is calculated by:
Weight gained by the lobster after first molting:
Hence, weight gained by the lobster after first molting is y
Weight gained by the lobster after second molting:
Hence, the weight gained by the lobster after second molting is
Weight gained by the lobster after third molting:
Hence, the weight gained by the lobster after third molting is
Weight gained by the lobster after fourth molting:
Hence, the weight gained by the lobster after fourth molting is
b.
To findthe total weight gained by the lobster after the four moltings.
b.

Answer to Problem 52E
The total weight gained by the lobster after the four moltings is
Explanation of Solution
Given information:
The given statement is:
“A lobster periodically sheds its shell and grows a new shell. During this process, which is called molting, the weight of the lobster increases, as shown in the table:”
Calculation :
The total weight gained by the lobster after the four moltings can be calculated by:
Hence, the total weight gained by the lobster after the four moltings is
c.
To find the weight of the lobster after one more molting.
c.

Answer to Problem 52E
The weight of the lobster after molting one more time is
Explanation of Solution
Given information:
The given statement is:
“A lobster periodically sheds its shell and grows a new shell. During this process, which is called molting, the weight of the lobster increases, as shown in the table:”
The lobster gains
Calculation :
The weight of the lobster after one more molting can be calculated by:
Hence, the weight of the lobster after molting one more time is
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