This math topic involves practicing with ratios and their applications, specifically with equivalent ratios and applying these concepts to real-world scenarios like adjusting recipe quantities using non-integer multiples. The problems also include operations with fractions, as students are required to find how much of one ingredient is needed relative to another given a specific ratio and a certain quantity of one component. The aim is to reinforce understanding of ratios, fractions, and their practical implications in tasks such as scaling recipes.