Answer:
D.
Step-by-step explanation:
In order to eliminate, the numbers must eliminate. If the second equation is multiplied by 3, then the 3 and the -3 can be eliminated. Since it is multiple choice, we can plug in x = 12 and y = 10 to see if they are correct. 12 + 30 = 42 and 24 - 10 = 14, so D is correct.
It’s B I did this question and got the same answer
Answer:
See below
Step-by-step explanation:

Solve:


Check:





Solve:





Solve:

Answer:

Step-by-step explanation:
Given:
Number of people to be seated should be greater than 75.
Let
be the number of people. So,

Now, there is a single private chef's table that can seat 3 people.
Tables bought by the owner = 
Number of people seated in 1 table = 4
So, number of persons that can be seated in
tables = 
Now, total number of persons that can be seated in these two types of tables is the sum of 3 and 
Therefore, 
But, 
Hence, the inequality to show the situation is:

Answer:
16
Step-by-step explanation:
16