Hypothetical combination,Input or result,Your project inputs / Calculated result,Value,Unit,Operation A,Your project inputs,Detection-to-reject distance,1.44,m, A,Your project inputs,Conveyor speed,0.48,m/s, A,Step-by-step substitution from the stated inputs,Time (s) / 1,3.0,s,( [Detection-to-reject distance: 1.44 m] ÷ [Conveyor speed: 0.48 m/s] ) A,Calculated result,Time,3.0,s, B,Your project inputs,Detection-to-reject distance,1.44,m, B,Your project inputs,Conveyor speed,0.72,m/s, B,Step-by-step substitution from the stated inputs,Time (s) / 1,2.0,s,( [Detection-to-reject distance: 1.44 m] ÷ [Conveyor speed: 0.72 m/s] ) B,Calculated result,Time,2.0,s, C,Your project inputs,Detection-to-reject distance,2.16,m, C,Your project inputs,Conveyor speed,0.48,m/s, C,Step-by-step substitution from the stated inputs,Time (s) / 1,4.5,s,( [Detection-to-reject distance: 2.16 m] ÷ [Conveyor speed: 0.48 m/s] ) C,Calculated result,Time,4.5,s, D,Your project inputs,Detection-to-reject distance,2.16,m, D,Your project inputs,Conveyor speed,0.72,m/s, D,Step-by-step substitution from the stated inputs,Time (s) / 1,3.0,s,( [Detection-to-reject distance: 2.16 m] ÷ [Conveyor speed: 0.72 m/s] ) D,Calculated result,Time,3.0,s, A→D,Separate and combined changes from A,Time / First input alone: C − A,1.5,s, A→D,Separate and combined changes from A,Time / Second input alone: B − A,-1.0,s, A→D,Separate and combined changes from A,Time / Both inputs: D − A,0.0,s, A→D,Separate and combined changes from A,Time / Sum of the two separate changes,0.5,s, A→D,Separate and combined changes from A,Time / Combined change minus that sum,-0.5,s,