Question 991240
Uniform Rates situation according to rule RT=J relating rate, time, amount of job.  The example's rate is in unit of HOUSE per HOUR.


Ross was working for two hours when Bill joined him.


t, how much time they both work together to finish after Ross worked alone.
{{{(1/12)*2+(1/12+1/8)*t=1}}}


{{{1/6+((2+3)/24)t=1}}}


{{{1/6+(5/24)t=1}}}

{{{4+5t=24}}}


{{{5t=20}}}


{{{highlight(t=4)}}} How Many Hours After 10AM; which means 2:00PM.