Answer: $ 2.20

Step-by-step explanation: 31.80-18.60= 13.20

13.20 divided by 6= 2.20

——————-

2.20 x 6= 13.2

13.20+ 18.60= 31.80

**Answer:**

x = 3, y = 4

**Step-by-step explanation:**

Solve for the first variable in one of the equations, then substitute the result into the other equation.

I don't think so.........

**Answer:**

Minus sign & it represents that the money is a debt

Step-by-step explanation:

Quiana took a loan of $15,234.68. This is also the same amount of money that Quiana wil return to the lender.

A <u>minus sign</u> (**-**) was inserted before the amount of money that Quiana borrowed. <u>It represents that the money is a debt that Quiana owes</u> and she will have to return (pay back) to the lender.

If 100x10=1000 you can do 7000/100= ?