Answer:
1. 6
2. 27
3. 158
4. 9
5. 380
6. 108
7. 48
8. 10
9. 115
10. 57
Step-by-step explanation:
Yes
11 diveded by 30 equals 61%
30 divided by 45 equals 66%
the average of 61% and 66% is more then 50%
Answer:

Step-by-step explanation:
Let use the following trigonometric identities:

Then, the equation is simplified by substituting its components:





You can do
3 * 2 and 11 * 2 which would be 6:22 and is still equal to the ratio 3:11. Your explanation can be the when divided by 2 or the number you multiplied by, you would get the original ratio
Examples:
6:22
9:33
12:44