Question 979822
Basic uniform rates relationship, RT=W, for rate, time, amount of work or task.


PERSON___________________WORK RATE in JOBS/HOURS
Anika____________________{{{1/(x+3)}}}
Jazlyn___________________{{{1/x}}}
Combined_________________{{{1/2}}}


Two agents working on the same task simultaneously do so at the sum of their individual rates.


{{{highlight_green(1/(x+3)+1/x=1/2)}}}
The rest to do is just arithmetic.