Unit times for a job exhibit a learning effect. If the second unit took 30 hours, and the fourth unit took 21 hours, roughly how many hours would you estimate the third unit took?
A)29
B)27
C)25
D)24
E)21

Question

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The Answer of Unit times for a job exhibit a learning effect. If the second unit took 30 hours, and the fourth unit took 21 hours, roughly how many hours would you estimate the third unit took?
A)29
B)27
C)25
D)24
E)21

Unit Times for a Job Exhibit a Learning Effect