Respuesta :
William can do 1/4 of the job every hour by himself.
Stephanie can do 1/6 of the job every hour by herself.
If they don't distract each other while working together, they can do (1/4 + 1/6) of the job every hour.
That's (3/12 + 2/12) = 5/12 job per hour working together.
The complete job will take them (12/5) hour .
That's 2-2/5 hours, or 2 hours 24 minutes.
They both can do the painting in 2hours 24 minutes by solving the fraction.
What is a fraction?
It is a combination of numerator and denominator. It is always in decimal
if solved properly.
How to calculate time?
William can do 1/4 of the job every hour himself. Stephanie can do 1/6 of the job every hour herself, they can do (1/4 + 1/6) of the job every hour.
That's (3/12 + 2/12) = 5/12 job per hour working together.
The complete job will take them (12/5) hour .
or 2 hours 24 minutes.
Learn more about fraction at https://brainly.com/question/78672
#SPJ2