a) Volume = 135 x 5 = 675 m3
1 m3 = 1000 litres
675 m3 = 675 x 1000 = 675,000 litres
b) Time taken to fill the tank
$\frac{675,000}{25 x 60 x 60}$ = 7 hours 30 minutes
The time the tank will be completely full = 10:00 pm + 7 hrs 30 min = 5:30 am
In 24 hour system = 0530 hrs
raphael answered the question on January 9, 2017 at 14:49
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