jessieCochrane8538 jessieCochrane8538
  • 20-11-2017
  • Mathematics
contestada

Find how long it would take to do a job together if it takes one person 6 hours alone and it takes another person 14 hours alone.

Respuesta :

jorel1380
jorel1380 jorel1380
  • 21-11-2017
1/6+1/14=1/n
14/84+6/84=1/n
20/84=1/n
84=20n
n=84/20=21/5 hours working together
☺☺☺☺
Answer Link

Otras preguntas

Help please Find the distance between I and J on the number line.
In context, the image of the penny in line 14 is appropriate because its A low value contrasts with the apparent wealth of the lady B freshness contrasts with t
HELP!!!! Is there a holocaust survivor with a lot of sources on them? I need to finish this project by tonight!! Find a survivor story that inspires you, and pr
You work for the Committee for Economic Evaluation in the small nation of Kinsdale. Your current job is to determine the country’s gross domestic product in the
If x, 30, 24 and 16 are in proportion then find the value of x.
Which one of the elements below is most likely to form a +2 ion? N C Ca K
Give an example of a physical change in matter.
A grocery store advertises 4 pounds of apples for $6.00. What is the cost for 1 pound of apples? 1
what’s the slope and y - intercept of this equation ?
I need help ASAP, please save me.