GCSE Secondary Maths Age 13-17 - Number: Permutations / Combinations - Explained

The video tutorial addresses a problem where Jeff is choosing a shrub and a rose tree for his garden. With 17 types of shrubs available, Jeff claims there are 215 ways to choose one shrub and one rose. The tutorial demonstrates solving the equation 17 times x equals 215, resulting in a non-whole number, indicating Jeff's claim is incorrect. The video emphasizes the importance of whole numbers in this context and introduces the concept of combinations and permutations, which is new to the high syllabus. The tutorial concludes with a reminder of the marks allocation for the problem and encourages practice.

What mathematical operation did Jeff use to determine the number of roses?

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Based on the information provided, is Jeff's claim about the number of combinations correct? Justify your answer.

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