I have a AP bioogy question and need alot of help, please help me.?

Question

How Many water molecules are oxidized toproduce 1 glucose sugar? and how many need to be oxidized to produce 100grams of starch. If you know how to do this problem, please explain how you have done it.

Answer 1

The formula says 6.  

Get the number of glucose molecules that make up 100 grams of starch.  Find the gram atomic weight of a glucose molecule then divide it into 100g.

Answer 2

2, I think, dont know about the second part, the starch