Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
If sarah clark can do a job in 5 hours and belli and sarah working together can do the same job in 2 hours, find how long it takes belli to do the job alone.
If sarah clark can do a job in 5 hours and belli and sarah working together can do the same job in 2 hours, find how long it takes belli to do the job alone.