Write an equation that represents the maximum and minimum chlorine concentration

Question

Chlorine is added to a swimming pool to sanitize the water and make it safe for swimming. The chlorine should be in the range 2-4ppm (parts per million). Write an equation that represents the maximum and minimum chlorine concentration

Answer 1

You could write it like this: 2ppm ≤ ⌈Cl₂⌉ ≤ 4ppm