in a debate competition the judges decide that 20% of the total marks would be given for the accent and presentation. 60% of the rest are reserved for the subject matter and the rest are for rebuttal. if this means 8 marks for rebutle, then find the total marks.

Let the total marks = xPercentage of marks for accent and presentation = 20%Percentage of marks for subject matter = 60%Now, percentage of marks for rebuttal = 100-20-60% = 20%According to question,   20% of x = 820100 × x = 8x = 40Hence total marks = 40

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