Question

If 15 workers can build a wall in 48 hours, how many workers will be required to do the
same work in 30 hours?
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Answer 1

Answer:

24 workers

Step-by-step explanation:

This problem is a case of inverse proportion.

In 48 hours, 15 workers are required to build a wall.

In 1 hour, 48 × 15 = 720 workers are required to build a wall.

In 30 hours, 720 ÷ 30 = 24 workers are required to build a wall.