Answer:
D. 15
Step-by-step explanation:
<em>Use proportions.</em>
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Answer:

Step-by-step explanation:
Given the following system of equations:

In order to solve the system of equations using the Elimination Method, you can follow these steps:
- Multiply the first equation by -6 and the secondd equation by 4.
- Add both equations.
- Solve for "y".
Then:

- Substitute the value of "y" into one of the original equations and solve for "x":

Answer: A.
.
Step-by-step explanation:
The given inequation: 

Multiplying 5 on both the sides, we get

Hence, the inequality for x is
.
So, the correct option is A.
..