If A works alone, he would take 4 days more to complete the job than if both A and B worked together. If B worked alone, he would take 16 days more to complete the job than if A and B work together. How many days would they take to complete the work if both of them worked together?
Answers
Answer: 8 days
Step-by-step explanation:
Let the work completed by both A and B together be x.
∴ (x + 4) days will be required to complete the work done by A alone.
∴ (x + 16) days will be required to complete the work done by B alone.
According to the question:
If both work together, work will be completed in x days.
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∴ x = 8 days
∴ 8 days will be required to complete the work , if both A and B works together.
Answer:
Step-by-step explanation:
Given:
Working together, A and B do the job in days
A does the job in days. A completes of the job per day
B does the job in days. B completes of the job per day
To Find:
We need to find the number of days would take if both of them worked together
Solution:
is an extraneous solution, so
If A and B are worked together, it would take days to completes the job.
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