katherineye2007 katherineye2007

24-07-2020
Mathematics

contestada

Mark can dig a ditch in 4 hours. Greg can dig the same ditch in 3 hours. How long would it take them to dig it together?

Respuesta :

StarVAng StarVAng

24-07-2020

Answer:

1 hour and 43 minutes

Step-by-step explanation:

Add both of theyre work hours together you get 3/12 and 4/12

Then you add both 3/12 4/12

You get 7/12

They complete the job 12/7 hours =1 5/7 (1 hour 43minutes)

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brynnxin brynnxin

04-02-2022

Answer:

1 5/7

Step-by-step explanation:

Answer Link

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