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From a group of 9adults and 8children, 8people are to be selected to sing together. If at most 7adults can be selected, the total number

From a group of 9adults and 8children, 8people are to be selected to sing together. If at most 7adults can be selected, the total number of ways the group can be chosen can be determined using

A. ₉C₇ x ₈C₁

B. ₁₆C₈

C. ₁₇C₈ - ₉C₈

D. ₈C₁ x ₁₆C₈

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