Assignment:
Elizabeth Perry, a student at SUNY, bought 6 bookcases for her dorm room. Each required unpacking of parts and assembly, which included some nailing and bolting.
Elizabeth completed the first bookcase in 5 hours and the second in 4 hours.
a) What is her learning rate?
b) Assuming that the same rate continues, how long will the 3rd bookcase take?
c) The 4th, 5th, and 6th cases?
d) All 6 cases?
Provide complete and step by step solution for the question and show calculations and use formulas.