This math topic focuses on calculating unit rates and their applications across different scenarios. It involves determining total costs from given unit prices and quantities, and computing total earnings based on hourly wages and work hours. This topic helps enhance understanding and skills in working with ratios and rates in practical situations. The exercises present real-world problems where learners have to multiply rates by measurements to find a total, reinforcing both conceptual and arithmetic skills related to rates and unitary calculations.
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What is the total cost in this scenario?
unit price: 0.5 $/kg
total weight: 8 kg