3. There's likely more than 1 conclusion.
a. The kids obey Mrs. Wilson. They brought in a number of cans per month.
We don't know how many kids did. For all we know, one kid might have brought them all, so that is not a conclusion.
The event started at the beginning of school and ended very close to the last day. (last month.)
During the last month part of the class worked in the place where the canned goods went. We don't know much more than that.
4. All of these conclusions are given. The ones that were not are stated.
5. a. Rusty is a puppy.
b. He's going through the chewing stage.
c. He doesn't care what he chews as long as he can destroy it. (This is inferred. It may not be true).
d. The family does not put things where he cannot get them (inferred).
e. He's a happy puppy. (Inferred)
f. He has lots of time on his paws.
6. A and B are given.
C is likely so. He chews shoes and paper and laces.
D If the family really put their stuff away, he would be able to destroy things.
E He woofs, he doesn't cower. We can assume he's well treated.
F Usually puppies chew if they have lots of time, they are teething, and they are bored.