A, you need to plug in to start solving
<h3> Hey There today we will solve your problem</h3>
First we will factor out
from
which gives us 
Next we will factor out
from
which gives us 
This gives us the equation

then factor out the common term
<em> and we get</em>
<em />
Answer:
If you add teacher plus students which is 490+10=500
you get 500 people in total after that you divide 500 by 50 and you get 10 so you will need 10 busses in total hope this helped!
Step-by-step explanation:
Answer:
<
Step-by-step explanation:
if that is one of the signs that is it