Question
A tank was completely filled with water at 11.00 a.m. Water flowed out of the tank from 11.00 a.m. to 3.00 p.m.. The line graph shows the volume of water in the tank at each 1-hour interval from 11.00 a.m. to 3.00 p.m. At what time was 45 of the tank filled with water? Give your answer in 24-h clock. (Eg 1.00 p.m.)

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A tank was completely filled with water at 11.00 a.m. Water flowed out of the tank from 11.00 a.m. to 3.00 p.m.. The line graph shows the volume of water in the tank at each 1-hour interval from 11.00 a.m. to 3.00 p.m. At what time was 45 of the tank filled with water? Give your answer in 24-h clock. (Eg 1.00 p.m.)