John does a job in 16 hours. joe does the same job in 22. how long if they work together?'

Question

14-07-2017
Business

contestada

John does a job in 16 hours. joe does the same job in 22. how long if they work together?'

Respuesta :

Otras preguntas

in a 10-question true/false test, what is the probability of guessing correctly on questions 6 through 8 exactly 2 times?

What dialogue box is used for character formatting?

Recapitulación vol_textbook review the grammar concepts you have learned in this lesson by completing these activities. after you submit, you will have the oppo

Aqueous concentrated nitric acid is 69% hno3 by weight and has a density of 1.42 g/ml. a.what is the molality of this solution? b.what is the molarity of this s

PLEASE HELP QUICKLY! Which of these tables represents a linear function?

If you horizontally stretch the quadratic parent function, f(x) = x2, by a factor of 5, what is the equation of the new function? a.g(x) = (5x)2 b.g(x) = x2

Use your calculator to select the best answer below:lim(x to infinity) (10^x)/[(- e.^x] a. 1b. -1c. 0d. DNE

A line passes through the point (3,2) and has a slope of 2. Write an equation in point-slope form for this line.

Find the three arithmetic means between 10 and 18

Аноним Аноним · Answer 1 · 2017-07-22T03:19:26+02:00

Аноним Аноним

22-07-2017

Joe's working rate = 1/16 per hour
Joe's working rate = 1/22 per hour

Let t = hours spent when working together.
Then
t = 1/(1/16 + 1/22)
= 1/(0.0625 + 0.0455)
= 9.263 hours
= 9 hours + 0.263*60 min
t = 9 hours, 16 minutes

Answer: 9 hours, 16 minutes

Answer Link