Find the oxidation number of oxygen in this compound x02 mgo

Is the below how ur prob reads?
a. you want to divide 334 pounds of grapes into bags that hold  34 pounds each. divide 334 by  34 to find that you can fill 5 bags.
 
b. you have one bag that weighs 334 pounds and another that weighs  34 pound and you want to find the weight of the bags altogether. divide 334 by  34 to find that the bags weigh 5 pounds altogether. 
c. you have 5 bags of grapes that weigh  34 pound each and you want to know how much they weigh altogether. divide 334 by 5 to find that the bags weigh  34 pound altogether.
 
d. one grocery store is 334 miles away and another is  34 mile away. you want to find how much farther away the first grocery store is. divide 334 by  34 to find that the first store is 5 miles farther away.
plz confirm 1st : )