Answer:200b-3000
Explanation:
Let
be the number of boats the boat house dock.
It is given that the boat house spends $
and charges $
for each boat.
Let
be the profit associate with each boat.
So,profit associated with each boat=
![p=](https://img.qammunity.org/2020/formulas/physics/college/962nuozck1l2zjhlu3upn8ylocn8zaewh5.png)
![950-750=$200](https://img.qammunity.org/2020/formulas/mathematics/middle-school/o1unbtr3t2vv87i1nzxe0jcf68v4yi2x9d.png)
It is also given that there exist a fixed cost of $
for a month.
So,the net profit is
![p* b-3000=](https://img.qammunity.org/2020/formulas/mathematics/middle-school/gpw5g31571wul8mlh6e1ch1r4bqfxb7lec.png)
![200b-3000](https://img.qammunity.org/2020/formulas/mathematics/middle-school/38b73i0f4bvuq0xf39090ojnaivnmqp9pj.png)