Answer: There are 3 tons of chlorine sold on Friday.
Explanation:
Since we have given that
Number of tone of chlorine on Monday = 2.4
Number of tone of chlorine on Tuesday = 4.4
Number of tone of chlorine on Wednesday = 1.8
Number of tone of chlorine on Thursday = 2.8
Total number of week's sales = 14.4 tons
So, we need to find the number of tone of chlorine on Friday.
According to question we get that
Hence, there are 3 tons of chlorine sold on Friday.