Use the Following Digraph to Answer Questions

question 64

Multiple Choice

Use the following digraph to answer Questions
Suppose that a crew can currently complete a job (order-requirement digraph is shown below) in a minimum amount of time.
-If Task T₁ is shortened from 7 minutes to 4 minutes, then what is the maximum amount of time by which the completion time of the entire job can be shortened?

• A) It cannot be shortened
• B) 1 minute
• C) 2 minutes
• D) 3 minutes

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Definitions:

Mycorrhizae

Symbiotic associations between fungi and plant roots, enhancing nutrient and water absorption for the plant while the fungus benefits from access to carbohydrates.

Roots

The part of a plant that typically lies below the surface of the soil, responsible for anchoring the plant and absorbing water and nutrients.

Leaves

The flat, green structures of plants that are primarily responsible for photosynthesis, the process by which light energy is converted to chemical energy.

Stem

Usually the upright, vertical portion of a plant that transports substances to and from the leaves.