Assume that your professor, who always drinks water during class, walked into class today with six bottles of water. Each bottle of water was one-half full. You wonder why she chose to juggle so many water bottles along with her textbook and notes. You realize that she could have simply carried:

b) three full bottles of water.

Explanation:

According to a different source, these are the options that come with this question:

a) two full bottles of water.

b) three full bottles of water.

c) nine full bottles of water.

d) twelve full bottles of water.

In this question, we see that the professor walked into class today with six bottles of water. However, each one of this was half-full.

A half-full bottle would be represented in the following way as a fraction: 1/2

However, the professor walked in with six of these half bottles, therefore:

1/2 (6) = 6/2

If we were to simplify this fraction (by dividing the quantities by two) we would get:

6/2 = 3/1

Which means that six half-full bottles equals three full bottles of water.

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