The answer to your question is A
There are several words you can use, although the one that fits the question best out of all the choices is: Best.
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
I believe that's informal writing.
Big scary creatures that kill/injure humans or other animals.
