One person can do a certain job in twenty-one minutes, and another person can do the same job in twenty-eight minutes. How many
minutes will it take them to do the job together?
6 min
12 min
24 min
2 answers:
Answer: 12 min
Step-by-step explanation:
Given: Time taken by one person to do a job = 21 minutes
Time taken by another person to do a the same job = 28 minutes
If they work together then the total time taken by both of them to complete the job is given by :-
Hence, they will take 12 minutes to do the job together.
You might be interested in
Answer:
Step-by-step explanation:
Answer:
27.1515152
Step-by-step explanation:
12.5 (points per game) * 24( games this season) = 300 points
Answer:
48
Step-by-step explanation:
Trust me
Answer:
x
Step-by-step explanation:
2/3x+1/3x=x