Question

a can do a piece of work in 15 days B is 30% more efficient than B.B can finish it in​

Answer 1

Answer:

10.5 days

Step-by-step explanation:

30% of 15 days = 4.5 days

More efficient means more quicker so 15 days-4.5 days= 10.5 days

Hope this helps :)

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