Problem Statement
A pipe can fill a tank in 10 hours. A leak alone can empty it in 30 hours. With both acting, how long to fill the tank?
Explanation
Net rate is one by ten minus one by thirty equals one by fifteen tank per hour. So time is fifteen hours.
Code Solution
SolutionRead Only
1/T = 1/10 − 1/30 = 1/15 ⇒ T = 15
