Hi

Let x represent time it would take to do the job if they all worked together

Question states***Per hour the Equalizer

 1/6 + 1/2 + 1/3 = 1/x    

Solving for x 

  x + 3x + 2x = 6    | multiplying thru by 6x so as all denominators= 1 

      6x = 6

       x = 1hr, time it would take to do the job if they all worked together



CHECKING our Answer***

   1/6 + 3/6 + 2/6 = 1 

RELATED QUESTIONS

Working together bob and dan complete a job in 6 hours. It would take Bob 9 hours longer... (answered by ikleyn)

To do a job alone, it would take Jennifer 5 hours, 
Bob 8 hours, and George 10 hours.... (answered by richwmiller)

it takes mary 3 hours to do a job that it takes jane. If they work together, they can... (answered by richwmiller)

it takes mary 3 hours more to do a job than it takes jane. if they work together,they can  (answered by josmiceli)

If Fran were to paint her living room alone it would take 6 hours. Her sister could do... (answered by richwmiller,Hawksfan)

1) Solve the following problem: It takes Fred 6 hours to do a job. If he works with Sarah  (answered by richwmiller)

John can complete a job alone in 2 hours, and it takes Tim 3 hours to do the same job... (answered by josmiceli)

Leo fnished 2/3 of a job in 12 hours. When he was joined by Ed, they completed the job in  (answered by stanbon,jorel1380)

If A,B and C work together on a job, it will take 1 and 1/3 hours. If only A and B work,... (answered by ankor@dixie-net.com,vipower)