This math topic focuses on understanding and calculating unit rates and finding the best price using fractions. It is designed to enhance proficiency in comparing prices by determining the lowest price per kilogram across different options presented in each problem. This topic is part of a broader introduction to ratios of lengths, helping learners apply mathematical concepts to practical, real-world scenarios like shopping. Each question asks learners to select from multiple options the one that offers the most economical choice per unit weight, thus reinforcing skills in unit rate comparison and fraction operations.
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Which option has the lowest price per kg?