4 people can dig a hole 20m deep in 3 hours. How long will 25 people take to dig a hole 50m deep?
Added by Jason L.
Step 1
Given: - 4 people can dig a hole 20 meters deep in 3 hours. First, calculate the total amount of work done in terms of "person-hours" for the 20-meter hole: \[ \text{Total person-hours} = 4 \text{ people} \times 3 \text{ hours} = 12 \text{ person-hours} \] Show more…
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