FernandoSolution30xt9 30xt1 t154 time x24 rate of current an

Fernando

(30+x)*t=9
(30-x)*t=1
t=1/54 time
x=24 rate of current
another way of solving
t=9/(30+x)
t=1/(30-x)
9/(30+x)=1/(30-x)
x=24= rate of current
check
9/(30+24)=1/(30-24)
9/54=1/6
1/6=1/6