Asked by HELP PLEASE

out of 6 cheerleaders, 3 will be selected to march in the first row of the parade how many 3-person arrangements can be formed using the 6 cheerleaders if Sandy must stand on the left end of the front row and Dana must also be included in the front row?
A. 2
B. 4
C. 8
D. 10
Answered by Reiny
Saw this posted before, can't find it, and don't know if it was answered.
Here are the possible arrangements
SDx ---> 4 ways
SxD ---> 4 ways

So what do you think?
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