tdyson3p6xvtu
tdyson3p6xvtu
05.10.2019 • 
Mathematics

The time, t, in hours, that it takes x people to plant n trees varies directly with the number of trees, and inversely with the number of people. suppose 6 people can plant 12 trees in 3 hours. how many people are needed to plant 28 trees in 5 hours and 15 minutes?

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