Question

8 pipes are required to fill a tank in 1 hour 20 minutes.How long will it take to fill the tank using 5 pipes.​

Answer 1

Answer:

Solution-

(Situation1)

Number of pipes used=8

Time taken to fill the tank with given number of pipes=1hr 20min

=(1×60min)+20min

=60min +20min

=80min

Step-by-step explanation:

(Situation2)

Number of pipes used now=5

Time taken to fill the tank=(80min×8)/5 [Less pipes ,more time]

=640min/5

=128 min

Answer:5 pipes will take 128 min to fill the tank