Question

B would have taken 10 hours more to complete a piece of work than if each of them had worked alone. Working together they can complete the work in 12 hours. In how many hours will B take to do 50% of that work?​

Answer 1

Answer:

B would have taken 10 hours more than what A would have taken to complete a task if each of them worked alone. Working together they can complete the task in 12 hours. How many hours would B take to do 50% of the task?

1). 30

2). 15

3). 20

4). 10

Step-by-step explanation:

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