After having done this on paper:

We want to isolate the variable, and the first step is to subtract the 8.

Since the <em>n</em> is being multiplied by 3, and that = 8, we can multiply both sides by 3.
<em>n</em> = 24
Let me know if this helped you understand better.
Also, you can check this by substituting in 24 for <em>n</em>.
Answer:
9/5
Step-by-step explanation:
The scale factor is what do we multiply A by to get B
Take the ratio of B/A
18/10
9/5
The scale factor is 9/5
Answer:
9 miles
Step-by-step explanation:
3 times 3 is 9
C) 7g - 3=42
All the other ones give the correct value of g except 7g-3=42 because the value of g is 9.
<h2>They mark-up the price by <u>$13.20</u></h2><h3>The new price is $79.20 (If you need that information)</h3><h3><u /></h3><h3>66 x 0.20 = 13.20</h3><h3>The new price:</h3><h3>13.20 + 66 = 79.20</h3><h3 /><h3><em>Please let me know if I am wrong.</em></h3>