Question 1066656
Rate of fast pump:  {{{1.5/x}}}
Rate of slow pump:  {{{1/x}}}
Rate of both pumps together:  {{{1/6}}}
Unit for rate is {{{CONTAINERS/MINUTE}}}.


{{{1.5/x+1/x=1/6}}}
Multiply both members by 6x.


{{{9+6=x}}}


{{{x=15}}}
Fourteen minutes for slow pump to fill the container