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Quiz yourself on Bounds & Error IntervalsGet your flashcardsBuild my revision planTrack my progressHigher Level: Worked Example 2: Bounds in Division
Distance = 100 km (nearest 10 km), Time = 2 hours (nearest hour). Find the minimum speed.
Step 1 Find bounds for each
Distance: LB = 95, UB = 105
Time: LB = 1.5, UB = 2.5
Step 2 For minimum speed = min distance ÷ max time
Min speed = LB(distance) ÷ UB(time)
= 95 ÷ 2.5 = 38 km/h
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