Question

A can do 50% more work as B can do in the same time. B alone can do a piece of work in
20 hours. A, with help of B, can finish the same work in how many hours?
(a) 12
(b) 8
(c) 13 1/3
(d) 5 1/2
Please answer step by step​

Answer 1

Answer:

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Step-by-step explanation:

.hsjsbdhdhdbdbdhdbdhdjsbshddhd