Given the Following Chart of Jobs Assigned with Johnson's Rule

question 118

Essay

Given the following chart of jobs assigned with Johnson's rule suppose that all the jobs (A, B, C, etc) could be evenly divided into two tasks (such as A1 and A2, B1 and B2, etc). Suppose job D is split into two equivalently sized sections, D1 and D2, each with a body work time of 1.5 hours and a paint time of 2 hours (D1 and D2 sum to 3 hours of body work and 4 hours of paint which is equivalent to
D). How much is makespan reduced by this splitting of D?

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Definitions:

Combining Form

A prefix or suffix added to a word root to change its meaning or create a new word, commonly used in medical terminology.

Xer/o

A prefix in medical terminology denoting dryness.

Hem/o

A prefix used in medical terminology that refers to blood.

Hepat/o

A prefix relating to the liver.