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

Show that the roots of the equations x^2 + kx - k - 2 = 0 are real and distinct for all values of k.
Lana works as an accountant and ears $78,832 per year. What is Lana’s approximate weekly earnings
Meredith works at a blood bank. She needs to write a report of the ratio of type-A blood donated to type-O blood donated, but she lost this month's logs that ha
the europeans tried to destroy the culture of latin america by?
help with math pleaseeeeee
Find the area of this parallelogram. Be sure to include the correct unit in your answer.
I need help on this ASAP. How many mountain ranges are formed by plate tectonics. I need this for my science work. (This is going to be under social studies sin
sheryl's in a car driving when all of a sudden she sees three doors. A gold door, a silver and a bronze. the gold has food the silver has money and the bronze h
if b varies inversely as h and b =8 ,when h = 5, find b when h =4​
20 Select the correct answer Which social behavior occurs when barring a person from joining a club because of his ethnicity? A racism B. stereotyping C. bias D