Yuna Yuna
  • 09-11-2024
  • Mathematics
High School

Working alone, Ryan can dig a 10 ft by 10 ft hole in five hours. Castel can dig the same hole in six hours. How long would it take them to dig the hole if they worked together?

Answer :

zrh2sfo zrh2sfo
  • 06-12-2024
Ryan rate = 1/5 job/hr
Castel rate = 1/6 job/hr
Together rate = 1/x job/hr

Equation:

1/5 + 1/6 = 1/x
6x + 5x = 30
11x = 30

x = 2 8/11 hr = 2 hr (8/11)60 = 2hr 47 minutes (time to do the job together)
Answer Link

Other Questions

Based on the measurement shown, choose the response that would correctly complete
An example of a parallel choice on a dichotomous key is: A.
Imagine a population with a mean of 38 and a standard deviation
A horse weighs 1 1/4 tons and is carrying a 110-pound person,
phys 181 magnitiude of a vector
The yellow side is the front. Assuming that there are no hidden
A great way to overcome shame is: A. To see the bigger
which of these are security measures for byod devices? screen lock, device
Describing Barriers to Physical Activity Mario has missed a few workouts after
Notice what alcohol and/or drug influence does to the SIPDE process:
181 is 22% of what number?
Question 1: Class K fire extinguishers should only be used on combustible
Which is the most likely way an automotive engineer would use chemistry
The measure of an angle is 89. Find the measure of its
Every day, the teacher has a cup of coffee before her 9:00