41.666666666666..............
105/4
because the ratio of the perimeter of the first to second is 4/3
The plants are starting at -3, I would say that the plants can grow further down past negative three.
I would draw an open circle at -3, then have the arrow pointing to the left. This shows that the roots can grow lower than -3.
The 5 -ounce can. You can buy 3 5 oz cans for $2.70 which is 15oz