Answer: Roy's snake is 54 inches longer.
Explanation:
Given : The length of Ella's pet snake = 42 inches
The length of Roy's pet snake = 8 feet
Since , we know that 1 feet = 12 inches
Then , 8 feet = 8 x (12 feet) = 96 inches
Clearly , it can be seen that 96 inches > 42 inches
i.e. Roy's pet snake is longer.
And 96 inches - 42 inches = 54 inches
It means Roy's snake is 54 inches longer.
Hence , Roy's snake is 54 inches longer.