This math topic focuses on practicing calculations of unit rates and making cost comparisons based on these unit rates, specifically dealing with prices involving decimals. For each problem, students are asked to determine which option offers the lowest price per kilogram. The content is aimed at introducing students to the basic concepts of rates and ratios, helping them apply these concepts to real-world scenarios involving financial decisions. This is an essential skill in developing an understanding of how to make optimal purchasing decisions based on unit pricing.
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Which option has the lowest price per kg?