https://web2.0calc.com/questions/kaskjwofjmk
Professor Crump maintains...
Hello Guest!
\(\dfrac{35}{m^3}-\dfrac{1\cdot 35}{7\cdot m^3}=\dfrac{6\cdot 35}{7\cdot m^3}\color{blue}\approx \dfrac{30}{m^3}\)
After the whales have passed through, the concentration is 30 / m³.
!
!
