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3 years ago

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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?

1 answer:

sergeinik [125]3 years ago

3 0

8 is the answer find the complex unit rate and then multiply

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Elis [28]

Answer:

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Step-by-step explanation:

9x+5+2x = 38

Combine like terms

9x+2x +5 = 38

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11x+5-5 = 38-5

11x = 33

Divide each side by 11

11x/11 = 33/11

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Answers:

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Step By Step Explanation:

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34kurt

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BigorU [14]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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