Question 983137
PIPE_________________RATE
small_______________1/(x+57)
big__________________1/x
Both Together_______1/61



Numerator is 1 for ONE TANK, and denominator is time in minutes.


{{{1/(x+57)+1/x=1/61}}}


FRACTION SKILLS
{{{x+(x+57)=x(x+57)/61}}}
.
{{{61x+61(x+57)=x(x+57)}}}
Keep going.....