Badly need help at this.Please help me anyone.A water tank is filled by two pipes in 48 minutes.If the larger pipe alone can fill it in 40 minutes less time than the smaller pipe,find the time it takes for the smaller pipe to fill the tank alone.

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anonymous · Answer

Tried this many times but couldn't make it to the answer 2 h.This involves algebraic equations and general formula have to be used instead of middle term break.