Bob walked 0.73 kilometer yesterday.Dave walked a shorter distance.Which shows the distance Dave might have walked? A. 1.03 kilometers B. 0.91 kilometer C. 0.75 kilometer D. 0.7 kilometer
The answer is D. 0.7 kilometer, because all the other choices go higher than 0.73 kilometer, but 0.7 kilometer equals to 0.70 kilometer, which indeed shorter than 0.73 kilometer
