A tank was completely filled with water at 12.00 p.m. Water flowed out of the tank from 12.00 p.m. to 4.00 p.m.. The line graph shows the volume of water in the tank at each 1-hour interval from 12.00 p.m. to 4.00 p.m. At what time was 47 of the tank filled with water? Give your answer in 24-h clock. (Eg 1.00 p.m.)
Total volume of the tank when it was completely filled with water = 140 ℓ
47 of the tank filled with water
=
47 x 140
= 80 ℓ
Time when
47 of the tank was filled with water = 3.00 p.m.
Answer(s): 3.00 p.m.