Question

A tank has a capacity of 120 gallons and is completely empty. Water flows into the
tank from a pipe at the rate of 19 gallons per minute and is pumped out by another
pipe at the rate of 6 gallons per minute. In how many minutes will the tank be filled?

Answer 1

Answer:

4min 48 sec

Step-by-step explanation:

the tank has a capacity of 120 gallons.

there has two pipe to fulfill the empty tank.

also 1 st pipe at the rate 19 gallons per minute and 2 nd pipe at the rate 6 gallons per minute.

so,

together 1 St and 2 nd pipe (19+6)=25 gallons per minute.

the time will be taken for fulfill the tank=120/25=4.8min=4 minute 48 second.