Question: Unit 4: Rational Expressions and Equations Assignment Booklet 4 1 1. Alex and Jamie work for a landscape company during the spring and summer. When

Unit 4: Rational Expressions and Equations Assignment Booklet 4 1 1. Alex and Jamie work for a landscape company during the spring and summer. When Alex works alone, it takes him 5 hours to complete a spring clean-up in a yard. When Alex and Jamie work together, it takes them 3 hours to complete a yard. a. Define a variable to represent the time it takes Jamie to complete a yard alone. (1 mark) b. Write an equation to represent the time it takes Alex and Jamie to complete a yard together. (1 mark) c. Solve the equation to determine the time it takes Jamie to complete a yard alone. (2 marks) 12. At the end of Art class, the students must clean up their work stations. When working together, Nicki and James can clean their work station in 12 minutes. When they clean the work station independently, it takes James 10 minutes longer than Nicki. Write and solve an equation to determine the length of time that it takes each of them to the work station on their own. (4 marks)

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