Bakery Maths: Blending to a Target Ingredient Percentage

Bakery Maths: Blending to a Target Ingredient Percentage

Original quantitative topic practice in English. All 24 questions are included in a shuffled order. Each question supplies its own data and model assumptions; use only those assumptions. Choose one answer. Practice target: 20/24, not an official examination pass mark. Keep full intermediate precision. These exercises cover the calculation scope in the title; they do not constitute a full Red Seal examination, trade qualification, site design or operating specification.
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For a classroom mass-balance exercise, ingredient A contains 70% of a specified constituent and B contains 30%. Make 8000 g blend at 55%. Percentages are by mass and additive; ignore interactions and losses. This calculation does not establish allergen, labelling or food-safety suitability. Calculate the constituent contributed by A in grams. Keep intermediate values unrounded; round the final answer to 4 decimal places if needed.