I think it is 10 lol sorry I’m not sure

The fixed cost is $150, while the per-student cost is $6.
When x=2 y = 110 which means when when x=1 y = 55
the graph would be 11*55 or 605
The table would be 280/4= 70 70*11=770
Which means the difference is 770-605=165
165 is ur answer
1/2 as a decimal is .5 ( it means .50) hoped it helped