For the answer to the question above, First, let's make the equation, (1/6) + (1/x) = 1/(3/2) = (2/3) = (4/6) then 1/x = (3/6) = (1/2) so the answer would be x = 2 It will take 2 hours take<span> your friend's pump to empty the pool when working alone? </span>
