Answer: The required length by which the elephant grows in 8 days is

Step-by-step explanation: Given that an elephant grows
inches a day.
We are to find the length by which it grow in 8 days.
We will be using the UNITARY method to solve the given problem.
In 1 day, the length by which the elephant grow is

Therefore, the length by which the elephant grow in 8 ways is given by

Thus, the required length by which the elephant grows in 8 days is
