Mathematics for IGCSE & O level - Limits Of Accuracy (Section 3 - No. 17)
Two kitchen cupboards have widths of 300 mm and 500 mm, both correct to the nearest millimeter. What is the lower bound of their combined width when placed next to each other?
798.5 mm
799 mm
799.5 mm
800 mm
Explanation
Lower Bound Width of 300mm = 299.5mm and 500mm = 499.5 mm; Combined width = 299.5mm + 499.5 mm = 799 mm
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