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4. 3.

49.

1.22 2/9%

2. 20%

3.25%

A alone can complete a work in 15 days, and the efficiency of A and B is

Question

4. 3.

49.

1.22 2/9%

2. 20%

3.25%

A alone can complete a work in 15 days, and the efficiency of A and B is in the ratio of 2:3 respectively, in

how many days both A and B working together can complete the same work?

1. 6 days

2. 5 days

3. 8 days 4.7 days

5. 9 days

tinle at 30% discount on market price, he still gains a profit of 40%. Find out the

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2021-07-25T20:21:36+00:00
2021-07-25T20:21:36+00:00 1 Answers
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## Answers ( )

Answer:6 days

Step-by-step explanation:15×10/ 25 = 6days.