Question
A tank was completely filled with water at 9.00 a.m. Water flowed out of the tank from 9.00 a.m. to 1.00 p.m.. The line graph shows the volume of water in the tank at each 1-hour interval from 9.00 a.m. to 1.00 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 9.00 a.m. Water flowed out of the tank from 9.00 a.m. to 1.00 p.m.. The line graph shows the volume of water in the tank at each 1-hour interval from 9.00 a.m. to 1.00 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.)