Leslie is at the store with $60 dollars in her purse. she sees two shirts that she wants that each costs $25. there is also a jacket she wants that cost $55. what best describes the opportunity cost and benefit of buying the shirts?

So she has $60 and she sees 2 shirts she wants that cost $25 and a jacket that costs $55 so if she buys the shirts then she will use $50 so she saves $5.

i'm a frog i'm a frog i read about frogs i breath thee frogs the frogs are great but not me

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.