It's B because all the students that attended added together is 320 and 37.5 of 320 is 120
Because it directly passes through the x and y axis
He is correct.
The further away ( to the left) from 0 a negative number is the smaller it is.
They are they same amount because 100 and 4 tens and 14 tens are the same
385=15n+85
385-85=15n
300=15n
300/15=n
20=n