Question 173461
Jan's rate is 1/8 of job per hour and Wade's rate is 1/10 of the job per hour.
:
together {{{(1/8+1/10)(t)=1}}}(job)
:
{{{(10+8)(t)/80=1}}}
:
{{{18t=80}}}
:
{{{highlight(t=80/18=40/9)}}}hours to paint the room together