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Sagot :
The number of ways can a photographer at wedding arrange people is 2(p - q) , the correct option is (d) .
In the question ,
it is given that ,
the number of ways for Jessie to be in the picture is = p ways .
the number of ways for both Jessie and Casey to be in the picture is = q ways .
So , there are (p - q) ways for only Jessie to be in the picture .
So , there are (p - q) ways for just Casey to be in the picture .
Thus , the photographer can arrange the people in
= (p - q) + (p - q) ways
= 2(p - q) ways .
Therefore , the required number of ways is 2(p - q) ways .
The given question is incomplete , the complete question is
Jessie and Casey are getting married how many ways can a photographer at their wedding arrange 6 people in a row from a group of 10 people where the spouses are among these 10 people if
Exactly one of the spouses is in the picture if p is the number of ways for Jessie to be in the picture and q is number of ways for both Jessie and Casey to be in the picture ?
(a) 2(p + q)
(b) p - q
(c) p + q
(d) 2(p - q)
Learn more about Permutation here
https://brainly.com/question/18684501
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