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A is two times more efficient than B ,if they complete the work in 30 days, then find the days required by each to complete the work individually?
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A is two times more efficient than B ,if they complete the work in 30 ...
Understanding Efficiency
When we say A is two times more efficient than B, it means if B completes a task in a certain number of days, A can complete the same task in half that time.
Work Completed in 30 Days
Together, A and B can complete the work in 30 days. This implies that their combined work rate can be calculated as follows:
- Let B's efficiency be \( x \) (work done per day).
- Then A's efficiency will be \( 2x \).
- Therefore, together they work at a rate of \( x + 2x = 3x \).
Since they complete the work in 30 days, we can establish the equation:
- Total work = \( 3x \times 30 = 90x \).
Individual Work Rates
Now, we can find out how long each person takes to complete the work individually.
- For A:
- A's rate = \( 2x \).
- Days required by A = \( \frac{Total \ Work}{A's \ Efficiency} = \frac{90x}{2x} = 45 \) days.
- For B:
- B's rate = \( x \).
- Days required by B = \( \frac{Total \ Work}{B's \ Efficiency} = \frac{90x}{x} = 90 \) days.
Final Results
- A takes 45 days to complete the work individually.
- B takes 90 days to complete the work individually.
This shows the difference in their efficiencies and how it impacts their work completion times.
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A is two times more efficient than B ,if they complete the work in 30 days, then find the days required by each to complete the work individually?
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