Question 23
My bathroom scale always reads 0.5 kg above my actual weight: for example, 55 kg reads as 55.5 kg. When the bathroom scale reads 45.5 kg, the kitchen scale reads 43.5 kg. When the kitchen scale reads 70 kg, the school gym scale reads 68.8 kg. Yesterday the gym scale read 60.2 kg and the nurse's office scale read 60.9 kg. Today my bathroom scale reads 49.5 kg. What will the nurse's office scale display, in kg?
Assumption used by the source: each scale has a constant additive error, and each paired comparison measures the same actual weight.
Answer format: enter one whole number without units. The printed paper uses four answer-sheet digits with leading zeros when needed; ordinary numeric entry is used here.
Assumption used by the source: each scale has a constant additive error, and each paired comparison measures the same actual weight.
Answer format: enter one whole number without units. The printed paper uses four answer-sheet digits with leading zeros when needed; ordinary numeric entry is used here.