What exactly are you trying to figure out
Answer:
412.8
Explanation:
The price of one set of sheet is

Here Carla wants to buy 8 sets of sheets; however, there is a 2x1 discount, this means that the price she pays will be the price of only 4 sets of sheets, so:

However, we are also told that there is an additional 20% discount.
The amount of the discount is:

So the discounted price will be:

So, Carla will pay 412.8 soles.
Answer:
In fact, you may point your flashlight (or laser pointer, if you prefer) at the Andromeda galaxy. There is a non-zero probability that one or more of the photons will be seen by some alien in that galaxy when they happen to glance into the sky at the Milky Way. However, you must take care to aim your flashlight not where Andromeda appears now, but where it will be in 3 million years. Good luck!
Answer:
C
Explanation:
Helena, Carson city,Phoenix