plzzz solve it
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Answers
Step-by-step explanation:
Volume of the tank =
3
2
πr
3
=
3
2
×
7
22
×(
2
3
)
2
=
14
99
m
3
=
14
99
×1000 litres
=
14
99000
litres
Volume of water to be emptied =
2
1
× Volume of tank
=
2
1
×
14
99000
=
28
99000
litres
Time taken to empty
7
25
litres=1 sec
Time taken to empty 1 litres=
25
7
sec
Time taken to empty
8
99000
litres=
25
7
×
28
99000
sec
=
700
693000
=990 sec
=
60
990
min
=16.5 min
Answer:
the answer is in the photos
