Answer:
A, C, D
Step-by-step explanation:
Germany was losing WW1, even though they were the 3rd country to be in it. Russia was starting to conquer back lost land, the Ottoman Empire had fallen, Austria-Hungary had surrendered. The Germans were at a loss, so they had to surrender.
6n + 9 = -3n <u>-21 -6</u>
<u>6n</u> + 9 = <u>-3n</u> -27
+3n +3n
9n <u>+9</u> = <u>-27</u>
-9 -9
<u>9n</u> = <u>-36</u>
<u>Divide by 9 on both sides</u>
n = -4
6.25 for each kids ticket and 11.75 for each adult ticket
The answer is 1,3,5,9,15,and ofcourse 45