An earthquake strikes and an isolated area is without food or water. Three crews arrive. One can dispense needed supplies in 20 hours, a second in 30 hours, and a third in 60 hours. How long will it take all three crews working together to dispense food and water?
An earthquake strikes and an isolated area is without food or water. Three crews arrive. One can dispense needed supplies in 20 hours, a second in 30 hours, and a third in 60 hours. How long will it take all three crews working together to dispense food and water?
Chapter7: Rational Expressions And Functions
Section7.5: Solve Applications With Rational Equations
Problem 7.99TI: One gardener can mow a golf course in 4 hours, while another gardener can mow the same golf course...
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Transcribed Image Text:An earthquake strikes and an isolated area is without food
or water. Three crews arrive. One can dispense needed
supplies in 20 hours, a second in 30 hours, and a third in
60 hours. How long will it take all three crews working
together to dispense food and water?
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