Answer:
8 hours
Step-by-step explanation:
Using the relationship
speed =
=
= 42
travelling at a rate of 42 mph , then
time =
=
= 8 hours
Initial volume of water = 20 litres
Final volume of water = 14 litres
Leaked volume of water = 6 litres
Time taken to leak the water = 24 hours
Leaked volume in an hour = 6 / 24
= 0.25 litres