nooneybabygurl nooneybabygurl

25-11-2019
Mathematics

contestada

Manny can complete a sales route in 7 hours. Jane can do the same job in 3hours. How long will it take them to the job together

Respuesta :

Lexielove451 Lexielove451

27-11-2019

Answer:

Step-by-step explanation:

1/7x+1/3x=1

3/21x+7/21x=1

10/21x=1

x=21/10 hour or 2 hours and 1 minute

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