Question 951433
Ralph {{{1/8}}}
Lisa {{{1/12}}}
Both 1/8+1/12=3/24+2/24={{{5/24}}}


t, how much time in hours working together.


RT=J  accounting for the job.
10 minutes is {{{1/6}}} hour.


{{{(1/8)*(1/6)+(5/24)t=1}}}
Solve for t.