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

Answer Link

Otras preguntas

Which represents the solution set of the inequality 5x
What compelled celebrities to become more active in the 2012 political campaigns according to politico.com's article celebs get political in 2012?
Give the role of a centriole
the remaining amount after deduction in salary. I think it's net
What is a graphic? A) The main idea B) A specific example C) A visual representation of text D) The supporting details
How did the ecstatic visions of people such as teresa of ávila and john of the cross further the catholic reformation?
In some military courts, 9 judges are appointed. however, both the prosecution and the defense attorneys are entitled to a peremptory challenge of any judge, in
Which composer was known in Europe as "the American Chopin"? A. Franz Liszt B. Scott Joplin C. Louis Moreau Gottschalk D. Stephen Foster
A student notices that the lettuce in a salad wilts soon after salt is added. Wilting most likely occurs because the lettuce cells
Ellos me _________ dinero para comprar los comestibles