YoYo. 15/6 = 2.5 so each YoYo costs $2.50.
Answer:
Option C.
Step-by-step explanation:
The given equations are


We need isolate one of the variables, such that it appears by itself on one side of the equation.
Isolating a variable in two equations is easiest when one of them has a coefficient 1.
In equation 1, coefficient of B is 1. So, we can easily isolate one of the variables.
The equation is

Subtract 3A from both sides.

Multiply both sides by -1.

Therefore, the correct option is C.
Answer:
$486
Step-by-step explanation:
<u>Step 1: Solve</u>
(450 * 0.9) * 1.2
405 * 1.2
<em>486</em>
<em />
Answer: $486
56392 rounded to the nearest ten thousand is 60,000