Answer:
I would like to say a and b
The smallest number of coins is theoretically 1, a 35 cents coin. but there aren't such coins! so it must be 2, 10+25
the biggest is using 5 cent coints, with 7 different coins.
and the difference is 5 coins: 7-2=5
Do you know, what punctuation marks are? Punctuation marks are symbols that indicate the structure and organization of written language; as well as intonation and pauses to be observed when reading aloud. Full stop, comma, semicolon. question mark etc are punctuation marks.
From my my experience this usually differs depending on the type of book it is, but I think the best choice is either A, to help the reader understand new concepts, or C., It allows the reader to focus on key ideas and information during the reading. I'd pick C though, since it's more in depth and makes more sense.
B. doesn't make that much sense unless the book is an argumentative or a persuasive book.
D. only applies to personal narratives. Nobody can understand a writer's personal experiences and attitudes otherwise.
Answer:
see the exercise as a personal reward
