Question

plz plz solve immediately

Answer 1

Step-by-step explanation:

In 1 hour the tap above will fill 20 litres water

and at the same time the tap below will drain 8 litres of water

so water left in the tank in 1 hour =20-8=12 litres

water left in the tank after 6 hours =12 litres*6 hours =72litres

hope it's correct

Answer 2

Answer:72 litres

Step-by-step explanation:

Given:

Top tap fills:20 litres/hour

Bottom tap drains:8 litres/hour

Soln:

=(20*6)-(8*6)

=120-48

=72 litres