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The video computes the total time to complete both reports by performing an elementwise addition of the two simulated completion-time arrays. The total time is simply their summation, represented in code as `duration = $A + B$`.

Conditions: A and B must be arrays of the same length.; Addition is performed entrywise across matched simulation runs.

The video computes the total time to complete both reports by performing an elementwise addition of the two simulated completion-time arrays. The total time is simply their summation, represented in code as `duration = $A + B$`.

Conditions: A and B must be arrays of the same length.; Addition is performed entrywise across matched simulation runs.