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The sign would be positive because two negatives when multiplied make a positive
T=4 should be the answer if ur trying 2 solve for T
Answer:38 min
Step-by-step explanation:
Given
Cutting time 
Assembly Line time 
to move a batch of rugs from cutting to assembly
Value-added refers to a process or phase in a system that turns raw materials or work in progress into much more desirable goods and services for downstream consumers.
thus value added time is