SOLUTION: Please,please,please I need your help! An application of a rational function is T = (AB)/(A+B), which gives the time, T, it takes for two worders to complete a particular task wher

Question 141931: Please,please,please I need your help! An application of a rational function is T = (AB)/(A+B), which gives the time, T, it takes for two worders to complete a particular task where A & B represent the time it would take for each individual worker to complete the identical task.
Estimate how long it takes you to complet a task of mowing the lawn in a given week. Suppose that Joe is slower than you to complete the task?
Include the type of job (mowing), the time it takes you and Joe individually to complete the job if you worked together. Include unit in your answer.
I don't have a clue. Please help...thanks in advance.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
t=ab/(a+b)
let a take 5 hours to mow.
let b take 8 hours to mow.
5*8/(5+8)
40/13
3.077 hours to mow the lawn working together.
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