Liza gets paid $5.50 an hour to babysit her little cousins. Last weekend, she watched them for three hours on Friday, nine hours on Saturday, and seven hours on Sunday. How much money does her aunt owe her for her babysitting services?

104 dollars and 50 cents

Step-by-step explanation:

It's really simple. You just find the total of the hours and multiply it by how much each costs. Simple, right? Let's go through it together.

Since we want to know the total, we do this: 7+9+3

And we know each hour is worth 5 dollars and 50 cents.

So let's make the total "X". Still with me? Let's finish.

So: (7+9+3) * 5.50 = X

(19) * 5.50 = X

104.50 = X