600000+80000+10=680,010 six hundred eighty thousand ten
Answer:

The maximum width must be 
Step-by-step explanation:
Let
L ----> the length of the rectangular pool
W ---> The width of the rectangular pool
we know that

so
----> inequality A
we have

substitute the value of L in the inequality A

simplify



The maximum width must be 
It would be 2.31 i think.. If not i apologize.