Answer:
286
Step-by-step explanation:
you have 22 teachers and the ratio is 1 teachers for 13 students.
So 22teachers × 13students = 286 students
Answer:
24
Step-by-step explanation:
We have a system of equations, so we can start with the second equation:

And move y to the other side to isolate x:

Now we can replace x into the first equation:

Notice that we can cancel out the y squared terms:

Now we just need to find x by replacing y into the second equation:

And finally, add them:

Hope this helps.
Answer:
where is the question I don't see it
Answer:
$7,102.90
Step-by-step explanation: