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When 2 pipes are open, a tank is filled in 12 minutes. On one occasion, the first pipe was open for 10 minutes. Then the second pipe was opened and together they finished in 6 minutes. How long would it take each pipe by itself to fill the tank
let x=minutes first pipe would take to fill the tank alone.
1/x=minute rate of first pipe
let y=minutes second pipe would take to fill the tank alone.
1/y=minute rate of second pipe
1/12=given minute rate when working together
sum of individual rates = rate when working together
first pipe worked for 16 minutes with second pipe to finish the job
second pipe worked for 6 minutes with first pipe to finish the job
It would take the first pipe 20 minutes to fill the tank by itself.
It would take the second pipe 30 minutes to fill the tank by itself.