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  1. John can do 1 / 4 of the job in one day. Mary can do 1 / 3 of the job in one day. In one day, if they work together they can complete 7/12 of the job. This is because 1 / 4 + 1 / 3 =7/12...

    1 Answers · Science & Mathematics · 17/10/2009

  2. The three workers do the job in 10/ 3 days, so they complete 3 /10 of the job per day. Two workers complete ⅔ of 3 /10 = ⅕ of the job per day.

    5 Answers · Science & Mathematics · 27/05/2018

  3. 1 ). Rove needs 4 days in 1 day work done = 1 / 4 Harris and John , working together , need 3 days in 1 day work done by both = 1 / 3 work does the work in...

    3 Answers · Science & Mathematics · 20/10/2010

  4. ... work done by John alone is given by t * ( 1 / 1 .5) The work done by Linda alone... the two work together , their work ...6 and simplify 4 t + 3 t = 6 Solve...

    5 Answers · Science & Mathematics · 13/09/2009

  5. Let T be the time it takes them to do the job together . Then the hourly rate will be 1 /T. 1 /T= 1 / 3 + 1 / 4 =7/12, so T=12/7= 1 5/7 hours. It will take them...

    3 Answers · Science & Mathematics · 15/05/2008

  6. ..., Dave, John , and Allison, each can shovel 1 /12, 1 /8, 1 /6 and 1 / 4 of the work , respectively. If work together , 1 /12 + 1 /8 + 1 /6 + 1 / 4 = 2/24 + 3 /24 + 4 /24 + 6/24 = 15/24 of...

    2 Answers · Science & Mathematics · 22/04/2011

  7. ... John Pam can do 6 times the work of Susan...if they all work together , Pam contributes 1 unit of work . John contributes...: 1 + 1 / 4 + 1 /6 = 1 + 3 /12 + 2/12 = 1 ...

    8 Answers · Education & Reference · 08/08/2010

  8. John can dig a hole in 4 hours, so he can dig 1 / 4 in one hour ...hour Mary can do the same in 7 hours...7 in one hour when they work together , they can dig the hole in...x x=420/319 x= 1 , 3 hours approx.

    1 Answers · Science & Mathematics · 19/12/2010

  9. Sally does 1 / 4 of the work in 1 hour, and John does 1 /6 in an hour. In x hours, Sally does x/ 4 of the...

    4 Answers · Science & Mathematics · 17/05/2011

  10. Do these as rates: Sally can paint 1 / 4 of the house per hour John can paint 1 /6 of the house per hour Working together for T hours...a common denominator of 12: ( 3 /12 + 2/12)T = 1 (5...

    3 Answers · Science & Mathematics · 25/03/2009

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