zariatyoung zariatyoung

29-06-2021
Mathematics

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An earthquake strikes in an isolated area is without food or water. Three crews arrive. One can dispense needed supplies and 35 hours, a second and 70 hours, and a third in 10 hours. How long will it take all three crews working together to dispense food and water?

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inksansandfrisk inksansandfrisk

29-06-2021

Answer:

115 hours.

Step-by-step explanation:

35+70=105

105+10=115 hours

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