The first snake is 24 inches because there are 12 inches in a foot. The snakes are 24 + 16 + 10 = 50 inches long.
This justifies what answer for what question? Q & A: 
Christina has 3 snakes. 1 snake is 2 feet long. Another snake is 16 inches long. The last snake is 10 inches long. How many inches are all of her snakes combined?
50
The first snake is 24 inches because there are 12 inches in a foot. The snakes are 24 + 16 + 10 = 50 inches long.
This justifies what answer for what question? Q & A: 
user
Christina has 3 snakes. 1 snake is 2 feet long. Another snake is 16 inches long. The last snake is 10 inches long. How many inches are all of her snakes combined?
50
assistant
The first snake is 24 inches because there are 12 inches in a foot. The snakes are 24 + 16 + 10 = 50 inches long.
This justifies what answer for what question? Q & A: 
Christina has 3 snakes. 1 snake is 2 feet long. Another snake is 16 inches long. The last snake is 10 inches long. How many inches are all of her snakes combined?
50