Question

15 workers take 8 hours to build a wall. How many hours will 12 workers need to build the same wall

Answer 1

Answer:

Time -Work Problem

Number of workers who worked for 8 hours to build the wall

Number of hours 1 worker takes to build a wall hours.

Let 12 workers takes x hours to build a wall.

Hence, 1 worker will take  to build the same wall.

According to question,

120=x12

120/12=x

x=10hours

Hence, 12 works needs 10 hours to build the wall.

Step-by-step explanation:

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