Question: 
A 45000 litter water tank is to be filled at the rate of 220 litters per minute. Estimate, to the nearest half an hour, how long it will take to fill the tank?
3 hours
5/2 hours
7/2 hours
7/2 hours
4 hours
Answer: 
7/2 hours
Last Updated: 
08/11/2021 - 03:29