Question 1096773
{{{1/5+1/x=1/1.5}}}



{{{1/1.5-1/5=1/x}}}

{{{2/3-1/5=1/x}}}

{{{10x-3x=15}}}

{{{7x=15}}}

{{{x=15/7}}}

{{{highlight(x=2&1/7)}}}, pipe B, number of days alone.