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BEBRAS 2026 Grade 7-8 Round 2 Ext Question 8

BEBRAS · BEBRAS 2026 Grade 7-8 Round 2 Ext

Question 8

A food factory uses a machine to match its input ingredients to the five recipes shown.

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Every recipe must match exactly: consecutive ingredients in the listed order, without skipping any ingredient within the recipe. Ingredients cannot be reused. Unused ingredients pass through as raw outputs. For this example input:

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the machine can group the ingredients as follows:

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and produce two dishes plus one raw ingredient:

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For the following input, what is the smallest total number of dishes and raw ingredients in the output?

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  1. 7
  2. 8
  3. 9
  4. 10