It’s the second one it’s right
I might be wrong but I think it is 50 .
8(number of soup) times 3 =x (number of vegetable cans)
To find the mean, aka average, we must add all the values of the table, then divide that sum by the number of values
The sum of the inner angles of a polygon with n sides is 
Since your polygon has 6 sides, the sum of its inner angles has to be

On the other hand, the sum of its inner angles is

And it has to be 720, so we have
