C.Formulate an equatiob relating the part of the tank filled by the first pipe alone, part of the tank filled by the second pipe alone and the part of the tank filled by two pipes together,
D.Using the equation,how long will it take the second pipe to fill the tank alone?
E.How will you justify your answer? check your solution.

ASAP PO PLS IF ALAM MO ANG SAGOT AY SAGUTAN MO NA ITO PLS PLS PLS PLS

NONSENSE= REPORT​