Question 1078848
{{{1/6+1/9-1/15}}}, rate in TANK/MINUTES for all three (the two taps and the one pipe) open at the same time


LCD, {{{2*3*3*5=90}}}



{{{(1/6)(15/15)+(1/9)(10/10)-(1/15)(6/6)}}}


{{{15/90+10/90-6/90}}}


{{{19/90}}}


How much time?
{{{90/19}}}


4 minutes 44 seconds