Question 1147308
{{{(1/6+1/9)-1/15}}}, fill rate if both taps and the pipe are open


{{{(1/6)(3/3)+(1/9)(2/2)-1/15}}}

{{{(3+2)/18-1/15}}}

{{{5/18-1/15}}}

{{{25/90-6/90}}}

{{{19/90}}}

{{{TIME}}}-------{{{90/19=4&14/19}}}{{{minutes}}}
4 minutes 44 seconds






{{{cross((3-2)/18-1/15)}}}

{{{cross(1/18-1/15)}}}--------<s>this will be a negative value.   The tank will never become filled this way</s>.