45 workers work 8 hours to dig a hole 30 meters deep.

45 workers work 8 hours to dig a hole 30 meters deep. How many extra workers should be hired to dig another hole 45 meters deep by working for 6 hours?

Quiz

Answer/Solution

45

Steps/Work

45 workers * 8 hours / 30 meters = x * 6 / 45
x = 90 total workers
90 - 45 = 45 new workers
The answer is C.