Answer:
B. Doubling a recipe and figuring out how many cans of paint to use are both examples of using math skills.
Step-by-step explanation:
Both doubling the recipe and figuring out how many cans of paint is required needs the calculation of area, Only then the exact amount required could be calculated. Hence both require math skills. And hence they both prove Michael already has math skills. And hence the above answer is the right option.