Answer:
15 units
Step-by-step explanation:
Hope it helps....
I'll put my answer is the comments when I know what I'm looking for. I just need the power.
Divide $630÷3. The answer you end up with is simply $210/year.
Answer: $210 per year
3. Reduction
For example,
11x - 3y = 69
-3x + 3y = 3
___________
8x + 0y = 72 => x = 72/8 => x = 9 => -27 + 3y = 3 => 3y = 30 => y = 30/3 => y = 10.