Five people can mow a lawn in 12 hours.  How many more people are needed to mow the lawn in just 3 hours, assuming each person mows at the same rate?
Question:
Five people can mow a lawn in 12 hours.  How many more people are needed to mow the lawn in just 3 hours, assuming each person mows at the same rate?
Answer:
Let's think step by step.

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Five people can mow a lawn in 12 hours.  How many more people are needed to mow the lawn in just 3 hours, assuming each person mows at the same rate?
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