An open rectangular tank that is 4 metre long, 2 metre wide, and 4.8 metre tall is initially three-quarters filled with water. What is the depth of water in the tank after 4,000 litres of water are added to it?
- 4.1 m
- 5 m
- 6.1 m
- 7.1
Explanation
tank volume 38.4 cu m=38400 l
3/4 full=38400 x 3/4=28800 l
add 4000lto 28800=32800l
32800/38400= .854 fll
tank 4,8 m tall x 854 current water level= 4.1 m depth of water
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